mirror of
https://github.com/storytold/designcraft.git
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855 lines
44 KiB
Rust
855 lines
44 KiB
Rust
//! Edit menu: undo/redo, selection, clear, clipboard.
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use std::sync::Arc;
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use designcraft_doc::{ItemId, Selection, SpreadRef};
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use serde_json::{Value, json};
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use super::{CommandSpec, bool_or, cmd, has_doc, has_selection, ids_param, ok};
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use crate::{HistoryEntry, Result, Session};
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fn can_undo(s: &Session) -> std::result::Result<(), String> {
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s.active().filter(|d| !d.history.undo.is_empty()).map(|_| ()).ok_or_else(|| "nothing to undo".into())
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}
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fn can_redo(s: &Session) -> std::result::Result<(), String> {
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s.active().filter(|d| !d.history.redo.is_empty()).map(|_| ()).ok_or_else(|| "nothing to redo".into())
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}
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fn has_clip(s: &Session) -> std::result::Result<(), String> {
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has_doc(s)?;
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let text = s.text_clipboard.is_some() && s.active().is_some_and(|d| d.selection.text.is_some());
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if s.clipboard.is_some() || text { Ok(()) } else { Err("clipboard is empty".into()) }
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}
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fn has_selection_or_text(s: &Session) -> std::result::Result<(), String> {
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if s.active().and_then(|d| d.selection.text).is_some_and(|t| !t.is_caret()) {
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return Ok(());
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}
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has_selection(s)
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}
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/// Plain text of a story slice: markers and anchored objects dropped, footnote text omitted.
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fn plain(st: &designcraft_doc::Story) -> String {
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st.text.chars().filter(|c| !('\u{E000}'..='\u{E1FF}').contains(c)).map(|c| if c == '\u{2028}' { '\n' } else { c }).collect()
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}
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/// Copy the selected text with its formatting. Returns its plain text (for the system clipboard).
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fn copy_text(s: &mut Session) -> Result<Option<String>> {
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let st = s.doc()?;
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let Some(t) = st.selection.text.filter(|t| !t.is_caret()) else { return Ok(None) };
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let Some(story) = st.doc.text_story(t.story, t.cell) else { return Ok(None) };
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let slice = story.extract(t.range());
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let text = plain(&slice);
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s.text_clipboard = Some((Arc::new(slice), text.clone()));
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Ok(Some(text))
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}
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/// Plain text for the system clipboard after copying objects: the copied text frames' stories,
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/// or U+FFFC (object replacement character) when none has text. Paste reads it back as "the
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/// copied objects", not as text.
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pub fn copied_objects_text(s: &Session) -> String {
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let Some(clip) = &s.clipboard else { return '\u{FFFC}'.to_string() };
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let mut stories = Vec::new();
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for it in clip.spreads.first().map(|sp| sp.items.as_slice()).unwrap_or_default() {
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it.walk(&mut |i| {
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if let Some(tf) = i.text_frame()
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&& !stories.contains(&tf.story)
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{
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stories.push(tf.story);
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}
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});
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}
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let text = stories.iter().filter_map(|id| clip.story(*id)).map(plain).filter(|t| !t.is_empty()).collect::<Vec<_>>().join("\n");
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if text.is_empty() { '\u{FFFC}'.to_string() } else { text }
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}
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/// `text` (the system clipboard's) is what the last copy put there: objects were copied last and
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/// it is their placeholder, so Paste stands for the copied objects.
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fn is_objects_placeholder(s: &Session, text: &str) -> bool {
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s.text_clipboard.is_none() && s.clipboard.is_some() && text.replace("\r\n", "\n") == copied_objects_text(s).replace("\r\n", "\n")
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}
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/// Paste text at the insertion point: the formatted copy when the system clipboard still holds
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/// what was copied here (or `formatted` is forced), else plain text in the insertion format.
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/// With `formatted`, objects copied last paste as anchored objects when `text` is absent or their
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/// placeholder; other text was copied in another app since. Objects that can't be anchored (text
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/// frames, into a table cell) paste as their placeholder text.
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fn paste_text(s: &mut Session, text: Option<String>, formatted: bool) -> Result<Value> {
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let t = s.doc()?.selection.text.ok_or_else(|| super::bad("edit.paste", "no insertion point"))?;
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let clip = s.text_clipboard.clone();
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let own = formatted && clip.is_none() && s.clipboard.is_some() && text.as_deref().is_none_or(|x| is_objects_placeholder(s, x));
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if own
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&& t.cell.is_none()
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&& let Some(items) = s.clipboard.clone()
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{
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let list: Vec<designcraft_doc::Item> = items.spreads.first().map(|sp| sp.items.iter().map(|i| (**i).clone()).collect()).unwrap_or_default();
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if !list.is_empty() && list.iter().all(|i| super::anchored::check_item(i).is_ok()) {
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return s.edit(|d, sel| {
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let st = d.story_mut(t.story).ok_or(designcraft_doc::DocError::NoStory(t.story))?;
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let r = t.range();
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st.delete(r.start.min(st.len())..r.end.min(st.len()));
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// Fresh ids, story and asset copies for every paste, as on the page.
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let mut stories = std::collections::HashMap::new();
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let fresh: Vec<designcraft_doc::Item> = list
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.iter()
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.map(|i| {
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let mut i = i.clone();
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super::object::renumber(d, &items, &mut i, &mut stories);
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if d.layer(i.layer).is_none() {
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i.layer = d.default_layer();
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}
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i
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})
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.collect();
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let end = super::anchored::anchor_items(d, t.story, r.start, fresh, &Default::default())?;
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sel.text = Some(designcraft_doc::TextSel { anchor: end, focus: end, ..t });
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Ok(json!({"pos": end, "anchored": list.len()}))
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});
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}
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}
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let use_clip = formatted && clip.as_ref().is_some_and(|(_, p)| text.as_ref().is_none_or(|x| x.replace("\r\n", "\n") == *p));
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// Footnotes, endnotes, editorial notes, cross-references and tables cannot be pasted into cells or footnotes.
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if use_clip && let Some((slice, _)) = clip {
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let slice = if t.cell.is_some() { strip_objects(&slice) } else { (*slice).clone() };
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return s.edit(|d, sel| {
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let st = d.text_story_mut(t.story, t.cell).ok_or(designcraft_doc::DocError::NoStory(t.story))?;
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let r = t.range();
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let r = r.start.min(st.len())..r.end.min(st.len());
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st.delete(r.clone());
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let end = st.insert_story(r.start, &slice);
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sel.text = Some(designcraft_doc::TextSel { anchor: end, focus: end, ..t });
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Ok(json!({"pos": end, "formatted": true}))
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});
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}
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// U+FFFC stands for objects with no text.
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let text = if own { Some(copied_objects_text(s)).filter(|m| m != "\u{FFFC}") } else { text };
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let text = text.or_else(|| clip.map(|(_, p)| p)).ok_or_else(|| super::bad("edit.paste", "clipboard is empty"))?;
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let text = outside_text(&text)?;
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s.execute("text.insert", &json!({"text": text, "raw": true}))
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}
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/// Text from the system clipboard as story text: Unix line ends, and none of the private-use
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/// characters (U+E000–U+E1FF) that stories use as markers for breaks, footnotes, tables and
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/// variables, since a stray one would be read as a marker without its payload.
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fn outside_text(text: &str) -> Result<String> {
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let text: String = text.replace("\r\n", "\n").replace('\r', "\n").chars().filter(|c| !('\u{E000}'..='\u{E1FF}').contains(c)).collect();
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if text.is_empty() { Err(super::bad("edit.paste", "the clipboard holds no text")) } else { Ok(text) }
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}
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/// Pasted text with no insertion point: a new text frame holding it, as wide as the first column
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/// of the page's margin area and as tall as the text (at most the margin area's height), centred
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/// on `at` (spread coordinates) or else on the margin area. The frame ends up selected. With
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/// `slice` (the text copied here), the frame's story is that formatted copy.
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fn paste_text_frame(s: &mut Session, p: &Value, text: &str, slice: Option<&designcraft_doc::Story>) -> Result<Value> {
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use designcraft_geom::{Point, Rect, shapes};
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const LIMIT: f64 = 1.0e5;
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let sr = super::spread_param(p, "edit.paste")?;
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let at = super::point_param(p, "at")
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.filter(|a| a.x.is_finite() && a.y.is_finite())
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.map(|a| Point::new(a.x.clamp(-LIMIT, LIMIT), a.y.clamp(-LIMIT, LIMIT)));
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let lid = s.doc()?.active_layer;
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let cache = s.cache.clone();
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let text = if slice.is_some() { String::new() } else { outside_text(text)? };
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s.edit(|d, sel| {
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let sp = d.spread(sr).ok_or_else(|| super::bad("edit.paste", "no such spread"))?;
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let page = at.and_then(|a| sp.page_at_x(a.x)).and_then(|i| sp.pages.get(i)).or_else(|| sp.pages.first());
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let page = page.ok_or_else(|| super::bad("edit.paste", "the spread has no pages"))?;
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let margins = page.margin_rect();
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let column = page.column_rects().first().copied().unwrap_or(margins);
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let w = column.width().max(12.0);
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let max_h = margins.height().max(12.0);
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let c = at.unwrap_or(Point::new(column.center().x, margins.center().y));
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let rect = |h: f64| Rect::new(c.x - w / 2.0, c.y - h / 2.0, c.x + w / 2.0, c.y + h / 2.0);
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let para = match slice.and_then(|sl| sl.paras.first()) {
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Some(pf) => designcraft_doc::ParaFormat { table: None, ..pf.clone() },
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None => designcraft_doc::ParaFormat { style: d.styles.default_paragraph.clone(), ..Default::default() },
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};
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let (id, sid) = d.add_text_frame(sr, rect(max_h), lid, &text, para)?;
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if let Some(sl) = slice {
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d.story_mut(sid).ok_or(designcraft_doc::DocError::NoStory(sid))?.insert_story(0, sl);
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}
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// Shrink to the composed text unless it already fills the frame.
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let composed = cache.get(d, sid, None);
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if !composed.is_overset()
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&& let Some(ft) = composed.frame(id)
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{
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let inset = d.item(id).and_then(|i| i.text_frame()).map_or(0.0, |tf| tf.options.inset[0] + tf.options.inset[2]);
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let h = (ft.content_height + inset + 0.5).clamp(12.0, max_h);
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if h.is_finite()
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&& h < max_h
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&& let Some(it) = d.item_mut(id)
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{
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it.path = shapes::rectangle(rect(h));
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// Keep the full height if the last line no longer fits.
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if cache.get(d, sid, None).is_overset()
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&& let Some(it) = d.item_mut(id)
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{
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it.path = shapes::rectangle(rect(max_h));
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}
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}
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}
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*sel = Selection::items(vec![id]);
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Ok(json!({"id": id.0, "story": sid.0}))
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})
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}
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fn strip_objects(st: &designcraft_doc::Story) -> designcraft_doc::Story {
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let mut out = st.clone();
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let marks = [
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designcraft_doc::FOOTNOTE_REF,
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designcraft_doc::ENDNOTE_REF,
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designcraft_doc::NOTE_MARK,
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designcraft_doc::XREF_MARK,
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designcraft_doc::TABLE_ANCHOR,
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];
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while let Some(i) = out.text.find(marks) {
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let n = out.text[i..].chars().next().map_or(1, char::len_utf8);
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out.delete(i..i + n);
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}
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out
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}
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pub fn specs() -> Vec<CommandSpec> {
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vec![
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cmd!(noundo "edit.undo", "Undo", ["Edit"], Some("Cmd+Z"), "{}", can_undo, |s, _| {
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let st = s.doc_mut()?;
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let e = st.history.undo.pop().ok_or_else(|| super::bad("edit.undo", "nothing to undo"))?;
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st.history.redo.push(HistoryEntry { label: e.label.clone(), doc: st.doc.clone(), selection: st.selection.clone() });
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let mut doc = e.doc;
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super::rulers::keep_zero_point(&st.doc, &mut doc);
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st.doc = doc;
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st.selection = e.selection;
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st.bump_revision();
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// Pending typing overrides belong to the current edit state, not a restored snapshot.
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s.typing_format = None;
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Ok(json!({"undone": e.label}))
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}),
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cmd!(noundo "edit.redo", "Redo", ["Edit"], Some("Cmd+Shift+Z"), "{}", can_redo, |s, _| {
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let st = s.doc_mut()?;
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let e = st.history.redo.pop().ok_or_else(|| super::bad("edit.redo", "nothing to redo"))?;
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st.history.undo.push(HistoryEntry { label: e.label.clone(), doc: st.doc.clone(), selection: st.selection.clone() });
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let mut doc = e.doc;
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super::rulers::keep_zero_point(&st.doc, &mut doc);
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st.doc = doc;
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st.selection = e.selection;
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st.bump_revision();
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s.typing_format = None;
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Ok(json!({"redone": e.label}))
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}),
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cmd!(noundo "selection.set", "Select", [], None, "{ids: [id], add?: bool, content?: bool}", has_doc, |s, p| {
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let ids = ids_param(p, "ids").unwrap_or_default();
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let add = bool_or(p, "add", false);
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let content = bool_or(p, "content", false);
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let st = s.doc_mut()?;
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let ids: Vec<ItemId> = ids.into_iter().filter(|i| st.doc.item(*i).is_some()).collect();
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if add {
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for i in ids {
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if !st.selection.items.contains(&i) {
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st.selection.items.push(i);
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}
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}
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} else {
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st.selection = Selection { items: ids, content, ..Default::default() };
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}
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st.selection.text = None;
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st.selection.cells = None;
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st.bump_revision();
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ok()
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}),
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cmd!(noundo "selection.toggle", "Toggle Selection", [], None, "{id}", has_doc, |s, p| {
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let id = super::id_param(p, "id").ok_or_else(|| super::bad("selection.toggle", "missing id"))?;
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let st = s.doc_mut()?;
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st.selection.text = None;
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st.selection.cells = None;
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if let Some(i) = st.selection.items.iter().position(|x| *x == id) {
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st.selection.items.remove(i);
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// A key object needs another object to align to it.
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if st.selection.key == Some(id) || st.selection.items.len() < 2 {
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st.selection.key = None;
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}
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} else {
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st.selection.items.push(id);
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}
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st.bump_revision();
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ok()
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}),
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cmd!(noundo "selection.key", "Key Object", [], None, "{id} — make a selected item the key object for Align; the current key object drops the key", has_doc, |s, p| {
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let id = super::id_param(p, "id").ok_or_else(|| super::bad("selection.key", "missing id"))?;
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let st = s.doc_mut()?;
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if !st.selection.items.contains(&id) {
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return Err(super::bad("selection.key", "the key object must be selected"));
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}
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if st.selection.items.len() < 2 {
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return Err(super::bad("selection.key", "a key object needs at least two selected objects"));
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}
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st.selection.key = if st.selection.key == Some(id) { None } else { Some(id) };
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st.bump_revision();
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ok()
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}),
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cmd!(noundo "edit.selectAll", "Select All", ["Edit"], Some("Cmd+A"), "{} — all items on the active spreads, or all text in the story", has_doc, |s, _| {
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let st = s.doc_mut()?;
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if let Some(t) = st.selection.text {
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let len = st.doc.text_story(t.story, t.cell).map(|x| x.len()).unwrap_or(0);
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st.selection.text = Some(designcraft_doc::TextSel { anchor: 0, focus: len, ..t });
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} else {
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let mut ids = Vec::new();
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let parents = st.editing_parents;
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let refs: Vec<SpreadRef> = st.doc.spread_refs().filter(|r| matches!(r, SpreadRef::Parent(_)) == parents).collect();
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for r in refs {
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if let Some(sp) = st.doc.spread(r) {
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for it in &sp.items {
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let locked = it.locked || st.doc.layer(it.layer).is_some_and(|l| l.locked || !l.visible);
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if !locked && !it.hidden {
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ids.push(it.id);
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}
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}
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}
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}
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st.selection = Selection::items(ids);
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}
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st.bump_revision();
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ok()
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}),
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cmd!(noundo "edit.deselectAll", "Deselect All", ["Edit"], Some("Cmd+Shift+A"), "{}", has_doc, |s, _| {
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let st = s.doc_mut()?;
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st.selection = Selection::default();
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st.bump_revision();
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ok()
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}),
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cmd!(
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"edit.clear",
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"Clear",
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["Edit"],
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Some("Delete"),
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"{ids?} — delete selected items (or the selected text or ruler guides)",
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has_doc,
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|s, p| {
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if s.doc()?.selection.text.is_some() && p.get("ids").is_none() {
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return super::text::delete_selection(s);
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}
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if p.get("ids").is_none() && s.doc()?.selection.items.is_empty() && !s.doc()?.selection.guides.is_empty() {
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return s.execute("guide.delete", &json!({}));
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}
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let ids = super::targets(s, p)?;
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// With a placed graphic itself selected (Direct Selection), only the graphic goes: its
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// frame stays, empty and selected (as in InDesign). Other items are deleted.
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let content = s.doc()?.selection.content && p.get("ids").is_none();
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s.edit(|d, sel| {
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let mut kept = Vec::new();
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for id in &ids {
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if let Some(it) = d.item_mut(*id).filter(|it| content && matches!(it.content, designcraft_doc::Content::Graphic(_))) {
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it.content = designcraft_doc::Content::Unassigned;
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kept.push(*id);
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} else {
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let _ = d.remove_item(*id);
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}
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}
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*sel = Selection::items(kept);
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Ok(json!({"deleted": ids.len()}))
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})
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}
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),
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cmd!(noundo "edit.copy", "Copy", ["Edit"], Some("Cmd+C"), "{} → {text} when text is selected (with formatting, footnotes, markers)", has_selection_or_text, |s, _| {
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if let Some(text) = copy_text(s)? {
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return Ok(json!({"text": text}));
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}
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copy_items(s)?;
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s.text_clipboard = None;
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ok()
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}),
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cmd!("edit.cut", "Cut", ["Edit"], Some("Cmd+X"), "{}", has_selection_or_text, |s, p| {
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if let Some(text) = copy_text(s)? {
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super::text::delete_selection(s)?;
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return Ok(json!({"text": text}));
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}
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copy_items(s)?;
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s.execute("edit.clear", p)
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}),
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cmd!(
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"edit.pasteWithoutFormatting",
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"Paste without Formatting",
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["Edit"],
|
||
Some("Cmd+Shift+V"),
|
||
"{text?} — plain text at the insertion point, in the format there",
|
||
super::has_text,
|
||
|s, p| paste_text(s, super::str_param(p, "text").map(str::to_string), false)
|
||
),
|
||
cmd!(
|
||
"edit.paste",
|
||
"Paste",
|
||
["Edit"],
|
||
Some("Cmd+V"),
|
||
"{inPlace?: bool, spread?: index (0), text?: the system clipboard's text (pastes it unless it is what was copied here; with no insertion point it becomes a new text frame), at?: [x, y] (spread coords: the new text frame's centre)}",
|
||
// The system clipboard may hold text from another app, so Paste is always available.
|
||
has_doc,
|
||
|s, p| {
|
||
let text = super::str_param(p, "text").filter(|t| !t.is_empty());
|
||
if s.doc()?.selection.text.is_some() {
|
||
return paste_text(s, text.map(str::to_string), true);
|
||
}
|
||
// The placeholder of an object copy pastes the copied objects.
|
||
if let Some(text) = text.filter(|t| !is_objects_placeholder(s, t)) {
|
||
// What our own text copy put on the clipboard keeps its formatting.
|
||
let slice = s.text_clipboard.clone().filter(|(_, plain)| text.replace("\r\n", "\n") == *plain).map(|(slice, _)| slice);
|
||
return paste_text_frame(s, p, text, slice.as_deref());
|
||
}
|
||
let Some(clip) = s.clipboard.clone() else {
|
||
return Err(super::bad("edit.paste", "clipboard is empty"));
|
||
};
|
||
let off = if bool_or(p, "inPlace", false) { 0.0 } else { 12.0 };
|
||
let to = super::spread_param(p, "edit.paste")?;
|
||
let from = s.clipboard_origin;
|
||
let ids: Vec<ItemId> = clip.spreads.first().map(|sp| sp.items.iter().map(|i| i.id).collect()).unwrap_or_default();
|
||
s.edit(|d, sel| {
|
||
// The same place on another spread is the same distance from its spine or left edge.
|
||
let dx = d.spread(to).map_or(0.0, |sp| paste_origin(sp) - from);
|
||
let new = super::object::duplicate_from(d, &clip, &ids, to, designcraft_geom::Vec2::new(dx + off, off))?;
|
||
*sel = Selection::items(new.clone());
|
||
Ok(json!({"ids": new.iter().map(|i| i.0).collect::<Vec<_>>()}))
|
||
})
|
||
}
|
||
),
|
||
cmd!(
|
||
"edit.pasteInto",
|
||
"Paste Into",
|
||
["Edit"],
|
||
Some("Cmd+Alt+V"),
|
||
"{id?} — the copied objects become the content of the selected frame (or `id`), clipped by it",
|
||
has_clip,
|
||
paste_into
|
||
),
|
||
cmd!("edit.pasteInPlace", "Paste in Place", ["Edit"], Some("Cmd+Alt+Shift+V"), "{spread?: index (0)}", has_clip, |s, p| s
|
||
.execute("edit.paste", &json!({"inPlace": true, "spread": p.get("spread")}))),
|
||
cmd!("edit.duplicate", "Duplicate", ["Edit"], Some("Cmd+Alt+Shift+D"), "{}", has_selection, |s, _| s
|
||
.execute("transform.move", &json!({"dx": 12.0, "dy": 12.0, "copy": true}))),
|
||
// Live previews (a panel slider being dragged): the change shows on the page, and only
|
||
// `edit.commitPreview` makes it one undo step.
|
||
cmd!(
|
||
query "edit.preview",
|
||
"Preview Change",
|
||
[],
|
||
None,
|
||
"{label, command, params?} — run `command` on the document as it was before the preview began, replacing the last preview; the first call opens a preview named `label` (the undo step's name)",
|
||
has_doc,
|
||
preview
|
||
),
|
||
cmd!(query "edit.commitPreview", "Commit Preview", [], None, "{} — the open preview becomes one undo step", has_doc, |s, _| {
|
||
s.commit_interaction()?;
|
||
ok()
|
||
}),
|
||
cmd!(query "edit.cancelPreview", "Cancel Preview", [], None, "{} — the document goes back to how it was before the preview", has_doc, |s, _| {
|
||
s.cancel_interaction();
|
||
ok()
|
||
}),
|
||
]
|
||
}
|
||
|
||
/// Put the selected items on the clipboard, with the x Paste measures them from on their spread.
|
||
fn copy_items(s: &mut Session) -> Result<()> {
|
||
let clip = clip_doc(s)?;
|
||
let st = s.doc()?;
|
||
let spread = st.selection.items.iter().find_map(|id| st.doc.find(*id)).and_then(|loc| st.doc.spread(loc.spread));
|
||
s.clipboard_origin = spread.map_or(0.0, paste_origin);
|
||
s.clipboard = Some(Arc::new(clip));
|
||
Ok(())
|
||
}
|
||
|
||
/// The x a pasted object keeps its distance from: the spine, or the left edge of single-sided
|
||
/// pages, which have none.
|
||
fn paste_origin(sp: &designcraft_doc::Spread) -> f64 {
|
||
if sp.pages.iter().all(|p| p.side == designcraft_doc::PageSide::Single) { sp.bounds().x0 } else { sp.spine_x() }
|
||
}
|
||
|
||
/// `edit.preview`: open the preview (unless one of the same name is open) and show `command` on it.
|
||
fn preview(s: &mut Session, p: &Value) -> Result<Value> {
|
||
let label = super::str_param(p, "label").filter(|l| !l.is_empty()).ok_or_else(|| super::bad("edit.preview", "missing label"))?;
|
||
let command = super::str_param(p, "command").ok_or_else(|| super::bad("edit.preview", "missing command"))?;
|
||
// Only an edit can be previewed: a query, undo or another preview command would not be one undo step.
|
||
if !super::find_command(command).is_some_and(|c| c.undoable) {
|
||
return Err(super::bad("edit.preview", format!("{command} is not an edit that can be previewed")));
|
||
}
|
||
let params = p.get("params").cloned().unwrap_or_else(|| json!({}));
|
||
let opened = match s.doc()?.interaction.as_ref().map(|i| i.label.as_str()) {
|
||
None => {
|
||
s.begin_interaction(label)?;
|
||
true
|
||
}
|
||
Some(open) if open == label => false,
|
||
// A tool's drag (or another preview) is in progress: leave it alone.
|
||
Some(open) => return Err(super::bad("edit.preview", format!("{open} is in progress"))),
|
||
};
|
||
if let Err(e) = s.preview(command, params) {
|
||
// A preview this call opened must not stay open: later edits would get no undo step.
|
||
if opened {
|
||
s.cancel_interaction();
|
||
}
|
||
return Err(e);
|
||
}
|
||
ok()
|
||
}
|
||
|
||
/// A document holding copies of the selected items (and their stories) on spread 0.
|
||
pub(crate) fn clip_doc(s: &Session) -> Result<designcraft_doc::Document> {
|
||
let st = s.doc()?;
|
||
let mut d = (*st.doc).clone();
|
||
let keep: Vec<ItemId> = st.selection.items.clone();
|
||
// Gather the selected items (in their spread coordinates, nested ones too) into spread 0.
|
||
let mut items = Vec::new();
|
||
for id in &keep {
|
||
let (Some(it), Some(loc)) = (st.doc.item(*id), st.doc.find(*id)) else { continue };
|
||
let parent = st.doc.parent_xf(&loc);
|
||
items.push(Arc::new(match &it.content {
|
||
designcraft_doc::Content::Graphic(g) if st.selection.content => graphic_alone(it, g, parent),
|
||
_ => designcraft_doc::Item { xf: parent * it.xf, ..it.clone() },
|
||
}));
|
||
}
|
||
for sp in d.spreads.iter_mut() {
|
||
Arc::make_mut(sp).items.clear();
|
||
}
|
||
// Kept frames (including inside groups).
|
||
let mut frames = std::collections::HashSet::new();
|
||
for it in &items {
|
||
it.walk(&mut |i| {
|
||
if let designcraft_doc::Content::Text(_) = &i.content {
|
||
frames.insert(i.id);
|
||
}
|
||
});
|
||
}
|
||
if let Some(sp) = d.spreads.first_mut() {
|
||
Arc::make_mut(sp).items = items;
|
||
}
|
||
// Parent spreads aren't part of a clipping; stories keep only the copied frames.
|
||
for p in d.parents.iter_mut() {
|
||
Arc::make_mut(p).items.clear();
|
||
}
|
||
d.stories.retain(|_, st| st.frames.iter().any(|f| frames.contains(f)));
|
||
for st in d.stories.values_mut() {
|
||
Arc::make_mut(st).frames.retain(|f| frames.contains(f));
|
||
}
|
||
// Graphics on the items and in the kept stories (anchored objects, graphic cells, notes).
|
||
let assets = d.used_assets();
|
||
d.assets.retain(|k, _| assets.contains(k));
|
||
d.hyperlinks.clear();
|
||
d.bookmarks.clear();
|
||
Ok(d)
|
||
}
|
||
|
||
/// A placed graphic on its own, as InDesign copies one selected with Direct Selection: a frame of
|
||
/// the whole graphic's bounds (uncropped), where the graphic sits on the spread (`parent` is the
|
||
/// frame's parent transform), without the frame's fill, stroke or effects.
|
||
fn graphic_alone(frame: &designcraft_doc::Item, g: &designcraft_doc::Graphic, parent: designcraft_geom::Affine) -> designcraft_doc::Item {
|
||
let r = designcraft_geom::Rect::new(0.0, 0.0, g.size.0, g.size.1);
|
||
let mut it = designcraft_doc::Item::new(frame.id, frame.layer, designcraft_doc::Shape::Rectangle, designcraft_geom::shapes::rectangle(r));
|
||
it.xf = parent * frame.xf * g.xf;
|
||
it.content = designcraft_doc::Content::Graphic(designcraft_doc::Graphic {
|
||
xf: designcraft_geom::Affine::IDENTITY,
|
||
auto_fit: designcraft_doc::Fitting::None,
|
||
crop: [0.0; 4],
|
||
..g.clone()
|
||
});
|
||
it
|
||
}
|
||
|
||
#[cfg(test)]
|
||
mod text_clipboard_tests;
|
||
|
||
fn paste_into(s: &mut Session, p: &Value) -> Result<Value> {
|
||
use super::object::RemoveKeep;
|
||
let clip = s.clipboard.clone().ok_or_else(|| super::bad("edit.pasteInto", "the clipboard holds no objects"))?;
|
||
let target = match super::id_param(p, "id") {
|
||
Some(id) => id,
|
||
None => {
|
||
let st = s.doc()?;
|
||
match st.selection.items.as_slice() {
|
||
[one] => *one,
|
||
_ => return Err(super::bad("edit.pasteInto", "select one frame to paste into")),
|
||
}
|
||
}
|
||
};
|
||
let ids: Vec<ItemId> = clip.spreads.first().map(|sp| sp.items.iter().map(|i| i.id).collect()).unwrap_or_default();
|
||
if ids.is_empty() {
|
||
return Err(super::bad("edit.pasteInto", "the clipboard holds no objects"));
|
||
}
|
||
s.edit(|d, sel| {
|
||
let loc = d.find(target).ok_or(designcraft_doc::DocError::NoItem(target))?;
|
||
let frame = d.item_at(&loc).ok_or(designcraft_doc::DocError::NoItem(target))?.clone();
|
||
if frame.is_group() || frame.is_text_frame() {
|
||
return Err(super::bad("edit.pasteInto", "paste into a graphic or empty frame (not a group or text frame)"));
|
||
}
|
||
let world = d.parent_xf(&loc) * frame.xf;
|
||
// Copies on the frame's spread (stories and images come along), then nested in the frame.
|
||
let new = super::object::duplicate_from(d, &clip, &ids, loc.spread, designcraft_geom::Vec2::ZERO)?;
|
||
let mut kids = Vec::new();
|
||
for id in &new {
|
||
kids.push(d.remove_item_keep_story(*id)?);
|
||
}
|
||
// Centre the content on the frame when it doesn't overlap it (like InDesign).
|
||
let fb = frame.bounds();
|
||
let cb = kids.iter().map(|k| k.bounds()).reduce(|a, b| a.union(b)).unwrap_or(fb);
|
||
let shift = if cb.intersect(fb).area() > 0.0 { designcraft_geom::Vec2::ZERO } else { fb.center().to_vec2() - cb.center().to_vec2() };
|
||
let inv = world.inverse();
|
||
let kids: Vec<Arc<designcraft_doc::Item>> = kids
|
||
.into_iter()
|
||
.map(|mut k| {
|
||
k.xf = inv * designcraft_geom::Affine::translate(shift) * k.xf;
|
||
Arc::new(k)
|
||
})
|
||
.collect();
|
||
let it = d.item_mut(target).ok_or(designcraft_doc::DocError::NoItem(target))?;
|
||
it.content = designcraft_doc::Content::Group { items: kids };
|
||
*sel = Selection::items(vec![target]);
|
||
Ok(json!({"id": target.0, "items": new.len()}))
|
||
})
|
||
}
|
||
|
||
#[cfg(test)]
|
||
mod paste_into_tests {
|
||
use super::*;
|
||
|
||
#[test]
|
||
fn paste_into_nests_and_clips() {
|
||
let mut s = Session::new();
|
||
s.execute("file.new", &json!({})).unwrap();
|
||
let a = s.execute("frame.create", &json!({"rect": [100, 100, 300, 300]})).unwrap()["id"].as_u64().unwrap();
|
||
s.execute("object.fill", &json!({"ids": [a], "swatch": "[Black]"})).unwrap();
|
||
let frame = s.execute("frame.create", &json!({"rect": [150, 150, 250, 250]})).unwrap()["id"].as_u64().unwrap();
|
||
s.execute("selection.set", &json!({"ids": [a]})).unwrap();
|
||
s.execute("edit.cut", &json!({})).unwrap();
|
||
s.execute("selection.set", &json!({"ids": [frame]})).unwrap();
|
||
s.execute("edit.pasteInto", &json!({})).unwrap();
|
||
let d = s.doc().unwrap().doc.clone();
|
||
assert_eq!(d.spreads[0].items.len(), 1, "the black square is inside the frame now");
|
||
let f = d.item(ItemId(frame)).unwrap();
|
||
assert!(f.has_nested_items() && !f.is_group());
|
||
assert_eq!(f.bounds(), designcraft_geom::Rect::new(150.0, 150.0, 250.0, 250.0), "bounds stay the frame's");
|
||
// Rendered clipped: black inside the frame, nothing outside it.
|
||
let cache = designcraft_compose::Cache::new();
|
||
let mut r = designcraft_render::Renderer::new();
|
||
let img = r.render_page(&d, &cache, 0, 1.0, false, &Default::default()).unwrap();
|
||
assert!(img.pixel(200, 200)[0] < 90, "{:?}", img.pixel(200, 200));
|
||
assert!(img.pixel(120, 120)[0] > 200, "{:?}", img.pixel(120, 120));
|
||
s.doc().unwrap().doc.check().unwrap();
|
||
}
|
||
|
||
#[test]
|
||
fn a_selected_graphic_copies_and_clears_on_its_own() {
|
||
let dir = std::env::temp_dir().join(format!("dc-graphic-alone-{}", std::process::id()));
|
||
std::fs::create_dir_all(&dir).unwrap();
|
||
let png = dir.join("photo.png");
|
||
std::fs::write(&png, designcraft_render::Rendered { width: 200, height: 100, pixels: vec![40u8; 200 * 100 * 4] }.to_png()).unwrap();
|
||
let mut s = Session::new();
|
||
s.execute("file.new", &json!({})).unwrap();
|
||
// A square frame showing the middle of a wide photo (cropped left and right).
|
||
let frame = s.execute("frame.create", &json!({"rect": [100, 100, 200, 200]})).unwrap()["id"].as_u64().unwrap();
|
||
s.execute("file.place", &json!({"path": png.to_string_lossy(), "frame": frame})).unwrap();
|
||
s.execute("object.fit", &json!({"mode": "fillProportionally", "ids": [frame]})).unwrap();
|
||
s.execute("object.stroke", &json!({"ids": [frame], "swatch": "[Black]", "weight": 4})).unwrap();
|
||
// Direct Selection on the photo, Copy: the whole photo, where it is, without the frame's stroke.
|
||
s.execute("selection.set", &json!({"ids": [frame], "content": true})).unwrap();
|
||
s.execute("edit.copy", &json!({})).unwrap();
|
||
let clip = s.clipboard.clone().unwrap();
|
||
let it = &clip.spreads[0].items[0];
|
||
assert!(matches!(&it.content, designcraft_doc::Content::Graphic(g) if g.crop == [0.0; 4]));
|
||
assert_eq!(it.bounds(), designcraft_geom::Rect::new(50.0, 100.0, 250.0, 200.0));
|
||
assert!(it.stroke.weight == 0.0 || it.stroke.swatch == "[None]", "{:?}", it.stroke);
|
||
// Paste Into a shape over it: the photo lands in place, inside the shape.
|
||
let shape = s.execute("frame.create", &json!({"rect": [60, 90, 240, 210], "shape": "ellipse"})).unwrap()["id"].as_u64().unwrap();
|
||
s.execute("selection.set", &json!({"ids": [shape]})).unwrap();
|
||
s.execute("edit.pasteInto", &json!({})).unwrap();
|
||
let d = s.doc().unwrap().doc.clone();
|
||
let kid = d.item(ItemId(shape)).unwrap().children()[0].clone();
|
||
let at = d.parent_xf(&d.find(kid.id).unwrap()) * kid.xf;
|
||
assert!((at * designcraft_geom::Point::new(0.0, 0.0) - designcraft_geom::Point::new(50.0, 100.0)).hypot() < 1e-6);
|
||
assert!((at * designcraft_geom::Point::new(200.0, 100.0) - designcraft_geom::Point::new(250.0, 200.0)).hypot() < 1e-6);
|
||
// Delete with the photo selected: the frame stays, empty.
|
||
s.execute("selection.set", &json!({"ids": [frame], "content": true})).unwrap();
|
||
assert_eq!(s.execute("edit.clear", &json!({})).unwrap()["deleted"], 1);
|
||
let d = s.doc().unwrap().doc.clone();
|
||
assert!(matches!(d.item(ItemId(frame)).unwrap().content, designcraft_doc::Content::Unassigned));
|
||
assert_eq!(s.doc().unwrap().selection, Selection::items(vec![ItemId(frame)]));
|
||
d.check().unwrap();
|
||
let _ = std::fs::remove_dir_all(&dir);
|
||
}
|
||
}
|
||
|
||
#[cfg(test)]
|
||
mod paste_tests {
|
||
use super::*;
|
||
use designcraft_geom::Rect;
|
||
|
||
fn pasted(s: &mut Session, id: &str, p: Value) -> (SpreadRef, Rect) {
|
||
let new = ItemId(s.execute(id, &p).unwrap()["ids"][0].as_u64().unwrap());
|
||
let d = &s.doc().unwrap().doc;
|
||
(d.find(new).unwrap().spread, d.item(new).unwrap().bounds())
|
||
}
|
||
|
||
/// Paste and Paste in Place put the objects on the spread they are given (the first without one).
|
||
#[test]
|
||
fn paste_puts_the_objects_on_the_given_spread() {
|
||
let mut s = Session::new();
|
||
s.execute("file.new", &json!({"pages": 3, "facingPages": false})).unwrap();
|
||
let a = s.execute("frame.create", &json!({"rect": [36, 36, 136, 136]})).unwrap()["id"].as_u64().unwrap();
|
||
s.execute("selection.set", &json!({"ids": [a]})).unwrap();
|
||
s.execute("edit.copy", &json!({})).unwrap();
|
||
assert_eq!(pasted(&mut s, "edit.pasteInPlace", json!({"spread": 2})), (SpreadRef::Doc(2), Rect::new(36.0, 36.0, 136.0, 136.0)));
|
||
assert_eq!(pasted(&mut s, "edit.paste", json!({"spread": 1})), (SpreadRef::Doc(1), Rect::new(48.0, 48.0, 148.0, 148.0)));
|
||
assert_eq!(pasted(&mut s, "edit.pasteInPlace", json!({})).0, SpreadRef::Doc(0));
|
||
// A spread the document doesn't have: an error, and nothing is pasted.
|
||
let before = s.doc().unwrap().doc.clone();
|
||
assert!(s.execute("edit.paste", &json!({"spread": 9})).is_err());
|
||
assert_eq!(s.doc().unwrap().doc, before);
|
||
before.check().unwrap();
|
||
}
|
||
|
||
/// With facing pages the first page sits alone, right of the spine. An object keeps its side
|
||
/// of the spine when it is pasted in place on another spread.
|
||
#[test]
|
||
fn paste_in_place_keeps_the_side_of_the_spine() {
|
||
let mut s = Session::new();
|
||
s.execute("file.new", &json!({"pages": 4, "facingPages": true})).unwrap();
|
||
let w = s.doc().unwrap().doc.settings.page_width;
|
||
// On page 3, the right-hand page of the second spread.
|
||
let a = s.execute("frame.create", &json!({"spread": 1, "rect": [w + 36.0, 36, w + 136.0, 136]})).unwrap()["id"].as_u64().unwrap();
|
||
s.execute("selection.set", &json!({"ids": [a]})).unwrap();
|
||
s.execute("edit.cut", &json!({})).unwrap();
|
||
assert_eq!(pasted(&mut s, "edit.pasteInPlace", json!({"spread": 0})), (SpreadRef::Doc(0), Rect::new(36.0, 36.0, 136.0, 136.0)));
|
||
// And back from page 1.
|
||
s.execute("edit.cut", &json!({})).unwrap();
|
||
assert_eq!(pasted(&mut s, "edit.pasteInPlace", json!({"spread": 1})), (SpreadRef::Doc(1), Rect::new(w + 36.0, 36.0, w + 136.0, 136.0)));
|
||
// Page 4 sits alone left of the spine: the object stays right of it, off the page.
|
||
assert_eq!(pasted(&mut s, "edit.pasteInPlace", json!({"spread": 2})), (SpreadRef::Doc(2), Rect::new(w + 36.0, 36.0, w + 136.0, 136.0)));
|
||
}
|
||
|
||
/// A single-sided page has no spine: an object keeps its distance from the page's left edge,
|
||
/// whatever the page widths, and pastes as right-hand content into a facing-pages document.
|
||
#[test]
|
||
fn paste_in_place_from_a_single_sided_page_measures_from_its_left_edge() {
|
||
let mut s = Session::new();
|
||
s.execute("file.new", &json!({"pages": 2, "facingPages": false})).unwrap();
|
||
s.execute("layout.pageSize", &json!({"pages": [2], "width": 400, "height": 792})).unwrap();
|
||
let a = s.execute("frame.create", &json!({"spread": 1, "rect": [36, 36, 136, 136]})).unwrap()["id"].as_u64().unwrap();
|
||
s.execute("selection.set", &json!({"ids": [a]})).unwrap();
|
||
s.execute("edit.copy", &json!({})).unwrap();
|
||
assert_eq!(pasted(&mut s, "edit.pasteInPlace", json!({"spread": 0})), (SpreadRef::Doc(0), Rect::new(36.0, 36.0, 136.0, 136.0)));
|
||
s.execute("file.new", &json!({"pages": 3, "facingPages": true})).unwrap();
|
||
let w = s.doc().unwrap().doc.settings.page_width;
|
||
assert_eq!(pasted(&mut s, "edit.pasteInPlace", json!({})), (SpreadRef::Doc(0), Rect::new(36.0, 36.0, 136.0, 136.0)));
|
||
assert_eq!(pasted(&mut s, "edit.pasteInPlace", json!({"spread": 1})), (SpreadRef::Doc(1), Rect::new(w + 36.0, 36.0, w + 136.0, 136.0)));
|
||
}
|
||
|
||
/// A copied text frame's clipping holds the files its anchored graphics show.
|
||
#[test]
|
||
fn copied_text_frames_keep_the_graphics_anchored_in_their_text() {
|
||
let mut s = Session::new();
|
||
s.execute("file.new", &json!({})).unwrap();
|
||
let png = designcraft_render::Rendered { width: 4, height: 4, pixels: vec![200u8; 64] }.to_png();
|
||
let placed = s.execute("file.place", &json!({"base64": super::super::file::base64_encode(&png), "name": "a.png", "x": 72, "y": 72})).unwrap();
|
||
let (g, aid) = (ItemId(placed["id"].as_u64().unwrap()), designcraft_doc::AssetId(placed["asset"].as_u64().unwrap()));
|
||
let f = ItemId(s.execute("frame.create", &json!({"rect": [36, 200, 300, 400], "content": "text"})).unwrap()["id"].as_u64().unwrap());
|
||
s.edit(|d, _| {
|
||
let it = d.item(g).cloned().ok_or(designcraft_doc::DocError::NoItem(g))?;
|
||
let sid = d.item(f).and_then(|i| i.text_frame()).map(|t| t.story).ok_or(designcraft_doc::DocError::NoItem(f))?;
|
||
super::super::anchored::anchor_items(d, sid, 0, vec![it], &Default::default())?;
|
||
Ok(())
|
||
})
|
||
.unwrap();
|
||
s.execute("selection.set", &json!({"ids": [f.0]})).unwrap();
|
||
s.execute("edit.copy", &json!({})).unwrap();
|
||
let clip = s.clipboard.clone().unwrap();
|
||
assert_eq!(clip.assets.keys().copied().collect::<Vec<_>>(), [aid]);
|
||
}
|
||
|
||
/// A selection can name an object that is gone (here the copy that Undo removed). Copy
|
||
/// measures from the spread of the first selected object that is still there.
|
||
#[test]
|
||
fn copy_measures_from_the_first_selected_object_that_exists() {
|
||
let mut s = Session::new();
|
||
s.execute("file.new", &json!({"pages": 3, "facingPages": true})).unwrap();
|
||
let w = s.doc().unwrap().doc.settings.page_width;
|
||
let a = s.execute("frame.create", &json!({"spread": 1, "rect": [w + 36.0, 36, w + 136.0, 136]})).unwrap()["id"].as_u64().unwrap();
|
||
s.execute("selection.set", &json!({"ids": [a]})).unwrap();
|
||
s.execute("edit.copy", &json!({})).unwrap();
|
||
let gone = s.execute("edit.paste", &json!({"spread": 1})).unwrap()["ids"][0].as_u64().unwrap();
|
||
s.execute("edit.undo", &json!({})).unwrap();
|
||
assert_eq!(s.doc().unwrap().selection.items, [ItemId(a)], "Undo restores the selection from before the paste");
|
||
s.doc_mut().unwrap().selection.items = vec![ItemId(gone), ItemId(a)];
|
||
s.execute("edit.copy", &json!({})).unwrap();
|
||
assert_eq!(pasted(&mut s, "edit.pasteInPlace", json!({"spread": 1})), (SpreadRef::Doc(1), Rect::new(w + 36.0, 36.0, w + 136.0, 136.0)));
|
||
}
|
||
}
|
||
|
||
#[cfg(test)]
|
||
mod preview_tests {
|
||
use super::*;
|
||
|
||
fn text_session() -> Session {
|
||
let mut s = Session::new();
|
||
s.execute("file.new", &json!({})).unwrap();
|
||
let r = s.execute("frame.create", &json!({"rect": [72, 72, 400, 300], "content": "text", "text": "Hello"})).unwrap();
|
||
let sid = s.doc().unwrap().doc.item(ItemId(r["id"].as_u64().unwrap())).unwrap().text_frame().unwrap().story;
|
||
s.execute("text.select", &json!({"story": sid.0, "anchor": 0, "focus": 5})).unwrap();
|
||
s
|
||
}
|
||
|
||
fn size(s: &mut Session) -> f64 {
|
||
s.execute("type.selectionAttrs", &json!({})).unwrap()["chars"]["size"].as_f64().unwrap()
|
||
}
|
||
|
||
fn preview_size(s: &mut Session, v: f64) {
|
||
s.execute("edit.preview", &json!({"label": "Size", "command": "type.char", "params": {"attrs": {"size": v}}})).unwrap();
|
||
}
|
||
|
||
#[test]
|
||
fn previews_show_on_the_page_and_commit_as_one_undo_step() {
|
||
let mut s = text_session();
|
||
let (before, undo) = (size(&mut s), s.doc().unwrap().history.undo.len());
|
||
for v in [20.0, 30.0, 40.0] {
|
||
preview_size(&mut s, v);
|
||
assert_eq!(size(&mut s), v, "each preview replaces the last");
|
||
}
|
||
assert_eq!(s.doc().unwrap().history.undo.len(), undo, "no undo step while previewing");
|
||
s.execute("edit.commitPreview", &json!({})).unwrap();
|
||
assert_eq!(s.doc().unwrap().history.undo.len(), undo + 1);
|
||
assert!(s.doc().unwrap().interaction.is_none());
|
||
s.execute("edit.undo", &json!({})).unwrap();
|
||
assert_eq!(size(&mut s), before);
|
||
}
|
||
|
||
/// A preview whose command fails closes again, so the next edit is its own undo step.
|
||
#[test]
|
||
fn a_failed_preview_leaves_no_preview_open() {
|
||
let mut s = Session::new();
|
||
s.execute("file.new", &json!({})).unwrap();
|
||
let r = s.execute("edit.preview", &json!({"label": "Size", "command": "type.char", "params": {"attrs": {"size": 20}}}));
|
||
assert!(r.is_err(), "nothing selected: type.char fails");
|
||
assert!(s.doc().unwrap().interaction.is_none());
|
||
let steps = s.doc().unwrap().history.undo.len();
|
||
s.execute("frame.create", &json!({"rect": [72, 72, 144, 144]})).unwrap();
|
||
assert_eq!(s.doc().unwrap().history.undo.len(), steps + 1);
|
||
}
|
||
|
||
#[test]
|
||
fn a_cancelled_preview_leaves_the_document_as_it_was() {
|
||
let mut s = text_session();
|
||
let (before, undo) = (size(&mut s), s.doc().unwrap().history.undo.len());
|
||
preview_size(&mut s, 50.0);
|
||
s.execute("edit.cancelPreview", &json!({})).unwrap();
|
||
assert_eq!(size(&mut s), before);
|
||
assert_eq!(s.doc().unwrap().history.undo.len(), undo);
|
||
// Committing with nothing open does nothing.
|
||
s.execute("edit.commitPreview", &json!({})).unwrap();
|
||
assert_eq!(s.doc().unwrap().history.undo.len(), undo);
|
||
}
|
||
|
||
#[test]
|
||
fn only_edits_are_previewed_and_another_interaction_is_left_alone() {
|
||
let mut s = text_session();
|
||
for command in ["edit.preview", "edit.undo", "type.selectionAttrs", "no.such.command"] {
|
||
assert!(s.execute("edit.preview", &json!({"label": "X", "command": command})).is_err(), "{command}");
|
||
}
|
||
assert!(s.execute("edit.preview", &json!({"command": "type.char"})).is_err(), "needs a label");
|
||
s.begin_interaction("Move").unwrap();
|
||
assert!(s.execute("edit.preview", &json!({"label": "Size", "command": "type.char", "params": {"attrs": {"size": 20}}})).is_err());
|
||
assert_eq!(s.doc().unwrap().interaction.as_ref().unwrap().label, "Move");
|
||
}
|
||
}
|