define([
+'libs/jquery',
'modules/documentCanvas/canvas/documentElement',
'modules/documentCanvas/canvas/utils'
-], function(documentElement, utils) {
+], function($, documentElement, utils) {
'use strict';
/* globals gettext */
return false;
};
+
+var scroll = function(place, textElement) {
+ var rect = textElement.getBoundingClientRect(),
+ scroll = $('#rng-module-documentCanvas-contentWrapper'),
+ border = rect.bottom - (place === 'top' ? rect.height : 0) - scroll.offset().top + scroll[0].scrollTop,
+ visible = scroll[0].scrollTop + {top: 0, bottom: scroll.height()}[place],
+ padding = 16,
+ toScroll = 0;
+
+ if(place === 'top' && (border - padding < visible)) {
+ toScroll = border - visible - padding;
+ } else if(place === 'bottom' && (border + padding > visible)) {
+ toScroll = border - visible + padding;
+ }
+ if(toScroll) {
+ scroll[0].scrollTop = scroll[0].scrollTop + toScroll;
+ }
+ return toScroll;
+};
+
+var getLastRectAbove = function(node, y) {
+ var rects = node.getClientRects(),
+ idx = 0,
+ rect, toret;
+ while((rect = rects[idx])) {
+ if(rect.bottom < y) {
+ toret = rect;
+ } else {
+ break;
+ }
+ idx++;
+ }
+ return toret;
+};
+
+var getFirstRectBelow = function(node, y) {
+ var rects = node.getClientRects(),
+ idx = 0,
+ rect, toret;
+ while((rect = rects[idx])) {
+ if(rect.top > y) {
+ toret = rect;
+ break;
+ }
+ idx++;
+ }
+ return toret;
+};
+
var handlers = [];
if(Object.keys(cursor.getPosition()).length === 0) {
var currentElement = canvas.getCurrentNodeElement();
- if(currentElement) {
+ if(currentElement && !currentElement.wlxmlNode.isRoot()) {
canvas.wlxmlDocument.transaction(function() {
var added = currentElement.wlxmlNode.after({
tagName: currentElement.wlxmlNode.getTagName() || 'div',
- attrs: {'class': currentElement.getWlxmlClass() || 'p'}
+ attrs: {'class': currentElement.wlxmlNode.getClass() || 'p'}
});
added.append({text:''});
return added;
canvas.wlxmlDocument.transaction(function() {
var added = element.wlxmlNode.after(
- {tagName: element.wlxmlNode.getTagName() || 'div', attrs: {'class': element.getWlxmlClass() || 'p'}}
+ {tagName: element.wlxmlNode.getTagName() || 'div', attrs: {'class': element.wlxmlNode.getClass() || 'p'}}
);
added.append({text: ''});
return added;
return false; // top level element is unsplittable
}
- //var nodes = position.element.data('wlxmlNode').split({offset: position.offset}),
- // var nodes = position.element.data('wlxmlNode').transform('split', {offset: position.offset}),
- // newEmpty,
- // goto,
- // gotoOptions;
-
- // if(position.offsetAtBeginning)
- // newEmpty = nodes.first;
- // else if(position.offsetAtEnd)
- // newEmpty = nodes.second;
-
- // if(newEmpty) {
- // //goto = newEmpty.append({text: ''});
- // gotoOptions = {};
- // } else {
- // goto = nodes.second;
- // gotoOptions = {caretTo: 'start'};
- // }
var node = position.element.wlxmlNode,
result, goto, gotoOptions;
}
});
-handlers.push({keys: [KEYS.ARROW_UP, KEYS.ARROW_DOWN, KEYS.ARROW_LEFT, KEYS.ARROW_RIGHT],
+handlers.push({keys: [KEYS.ARROW_UP],
keydown: function(event, canvas) {
- var position = canvas.getCursor().getPosition(),
- element = position.element;
- if(element && (element instanceof documentElement.DocumentTextElement) && element.isEmpty()) {
- var direction, caretTo;
- if(event.which === KEYS.ARROW_LEFT || event.which === KEYS.ARROW_UP) {
- direction = 'above';
- caretTo = 'end';
- } else {
- direction = 'below';
- caretTo = 'start';
- }
- var el = canvas.getDocumentElement(utils.nearestInDocumentOrder('[document-text-element]', direction, element.dom[0]));
- if(el) {
- canvas.setCurrentElement(el, {caretTo: caretTo});
+ /* globals window */
+ var element = canvas.getCursor().getPosition().element,
+ caretRect = window.getSelection().getRangeAt(0).getClientRects()[0],
+ frameRects = element.dom[0].getClientRects(),
+ caretTop = caretRect.bottom - caretRect.height,
+ position, target,rect, scrolled;
+
+
+ if((frameRects[0].bottom === caretRect.bottom) || (caretRect.left < frameRects[0].left)) {
+ event.preventDefault();
+ canvas.rootWrapper.find('[document-text-element]').each(function() {
+ var test = getLastRectAbove(this, caretTop);
+ if(test) {
+ target = this;
+ rect = test;
+ } else {
+ return false;
+ }
+ });
+ if(target) {
+ scrolled = scroll('top', target);
+ position = utils.caretPositionFromPoint(caretRect.left, rect.bottom - 1 - scrolled);
+ canvas.setCurrentElement(canvas.getDocumentElement(position.textNode), {caretTo: position.offset});
}
}
- },
- keyup: function(event, canvas) {
+ }
+});
+
+handlers.push({keys: [KEYS.ARROW_DOWN],
+ keydown: function(event, canvas) {
+ /* globals window */
var element = canvas.getCursor().getPosition().element,
- caretTo = false;
- if(!element) {
- // Chrome hack
+ caretRect = window.getSelection().getRangeAt(0).getClientRects()[0],
+ frameRects = element.dom[0].getClientRects(),
+ lastRect = frameRects[frameRects.length-1],
+ position, target,rect, scrolled;
- var moves = [{direction: 'above', caretTo: 'end'}, {direction: 'below', caretTo: 'start'}];
- if(event.which === KEYS.ARROW_RIGHT || event.which === KEYS.ARROW_DOWN) {
- moves.reverse();
- }
- moves.some(function(move) {
- /* globals window */
- var targetNode = utils.nearestInDocumentOrder('[document-text-element]:visible', move.direction, window.getSelection().focusNode);
- if(targetNode) {
- element = canvas.getDocumentElement(targetNode);
- caretTo = move.caretTo;
- return true; // break
+ if(lastRect.bottom === caretRect.bottom || (caretRect.left > lastRect.left + lastRect.width)) {
+ event.preventDefault();
+ canvas.rootWrapper.find('[document-text-element]').each(function() {
+ var test = getFirstRectBelow(this, caretRect.bottom);
+ if(test) {
+ target = this;
+ rect = test;
+ return false;
}
});
+ if(target) {
+ scrolled = scroll('bottom', target);
+ position = utils.caretPositionFromPoint(caretRect.left, rect.top +1 - scrolled);
+ canvas.setCurrentElement(canvas.getDocumentElement(position.textNode), {caretTo: position.offset});
+ }
}
- if(element) {
- canvas.setCurrentElement(element, {caretTo: caretTo});
+ }
+});
+
+handlers.push({keys: [KEYS.ARROW_LEFT],
+ keydown: function(event, canvas) {
+ /* globals window */
+ var position = canvas.getCursor().getPosition(),
+ element = position.element,
+ prev;
+
+ if(position.offset === 0) {
+ event.preventDefault();
+ prev = canvas.getPreviousTextElement(element);
+ if(prev) {
+ scroll('top', prev.dom[0]);
+ canvas.setCurrentElement(canvas.getDocumentElement(prev.dom.contents()[0]), {caretTo: 'end'});
+ }
}
}
});
+handlers.push({keys: [KEYS.ARROW_RIGHT],
+ keydown: function(event, canvas) {
+ /* globals window */
+ var position = canvas.getCursor().getPosition(),
+ element = position.element,
+ next;
+ if(position.offsetAtEnd) {
+ event.preventDefault();
+ next = canvas.getNextTextElement(element);
+ if(next) {
+ scroll('bottom', next.dom[0]);
+ canvas.setCurrentElement(canvas.getDocumentElement(next.dom.contents()[0]), {caretTo: 0});
+ }
+ } else {
+ var secondToLast = (position.offset === element.wlxmlNode.getText().length -1);
+ if(secondToLast) {
+ // Only Flying Spaghetti Monster knows why this is need for FF (for versions at least 26 to 31)
+ event.preventDefault();
+ canvas.setCurrentElement(element, {caretTo: 'end'});
+ }
+ }
+
+ }
+});
var selectsWholeTextElement = function(cursor) {
if(cursor.isSelecting() && cursor.getSelectionStart().offsetAtBeginning && cursor.getSelectionEnd().offsetAtEnd) {
caretTo = 'start';
}
- if(cursor.isSelecting() && !cursor.isSelectingWithinElement()) {
+ if(cursor.isSelecting()) {
event.preventDefault();
var start = cursor.getSelectionStart(),
end = cursor.getSelectionEnd();
event.preventDefault();
node.setText('');
}
- else if(element.isEmpty()) {
- event.preventDefault();
- var parent = element.parent(),
- grandParent = parent ? parent.parent() : null;
- if(!grandParent && parent.children().length === 1) {
- return;
- }
- if(parent.children().length === 1 && parent.children()[0].sameNode(element)) {
- if(grandParent && grandParent.children().length === 1) {
- goto = grandParent.wlxmlNode.append({text: ''});
- } else {
- goto = canvas.getNearestTextElement(direction, element);
- }
- parent.wlxmlNode.detach();
- } else {
- goto = canvas.getNearestTextElement(direction, element);
- element.wlxmlNode.detach();
- }
- canvas.setCurrentElement(goto, {caretTo: caretTo});
- }
else if(cursorAtOperationEdge) {
if(direction === 'below') {
element = canvas.getNearestTextElement(direction, element);
}
- if(element) {
- goto = element.wlxmlNode.mergeContentUp();
+ if(element && element.wlxmlNode.getIndex() === 0) {
+ goto = element.wlxmlNode.parent().moveUp();
if(goto) {
canvas.setCurrentElement(goto.node, {caretTo: goto.offset});
}
}
});
+var handleKeyEvent = function(e, s) {
+ keyEventHandlers.some(function(handler) {
+ if(handler.applies(e, s)) {
+ handler.run(e, s);
+ return true;
+ }
+ });
+};
+// todo: whileRemoveWholetext
+var keyEventHandlers = [
+ {
+ applies: function(e, s) {
+ return s.type === 'caret' && (
+ (s.isAtBeginning() && e.key === KEYS.BACKSPACE) ||
+ (s.isAtEnd() && e.key === KEYS.DELETE)
+ );
+ },
+ run: function(e,s) {
+ var direction, caretTo, cursorAtOperationEdge, goto, element;
+
+ if(e.key === KEYS.BACKSPACE) {
+ direction = 'above';
+ caretTo = 'end';
+ cursorAtOperationEdge = s.isAtBeginning();
+ element = s.element;
+ }
+ else {
+ direction = 'below';
+ caretTo = 'start';
+ cursorAtOperationEdge = s.isAtEnd();
+ element = cursorAtOperationEdge && s.canvas.getNearestTextElement(direction, s.element);
+ }
+
+ if(!cursorAtOperationEdge || !element) {
+ return;
+ }
+
+ e.preventDefault();
+
+ s.canvas.wlxmlDocument.transaction(function() {
+ if(element.wlxmlNode.getIndex() === 0) {
+ goto = element.wlxmlNode.parent().moveUp();
+ } else {
+ goto = element.wlxmlNode.moveUp();
+ }
+ if(goto) {
+ s.canvas.setCurrentElement(goto.node, {caretTo: goto.offset});
+ }
+ }, {
+ metadata: {
+ description: gettext('Remove text')
+ }
+ });
+ }
+ },
+
+ {
+ applies: function(e,s) {
+ return s.type === 'caret' && s.element.getText().length === 1 && (e.key === KEYS.BACKSPACE || e.key === KEYS.DELETE);
+ },
+ run: function(e,s) {
+ e.preventDefault();
+ e.element.wlxmlNode.setText('');
+ s.canvas.setCurrentElement(s.element, {caretTo: 0});
+ }
+ },
+
+ {
+ applies: function(e, s) {
+ return s.type === 'textSelection' && (e.key === KEYS.BACKSPACE || e.key === KEYS.DELETE);
+ },
+ run: function(e, s) {
+ var direction = 'above',
+ caretTo = 'end',
+ goto;
+
+ if(e.key === KEYS.DELETE) {
+ direction = 'below';
+ caretTo = 'start';
+ }
+
+ e.preventDefault();
+
+ if(s.startsAtBeginning && s.endsAtEnd && s.startElement.sameNode(s.endElement)) {
+ goto = s.startElement;
+ caretTo = s.startOffset;
+ } else if(direction === 'above') {
+ if(s.startsAtBeginning()) {
+ goto = s.canvas.getNearestTextElement('above', s.startElement);
+ caretTo = 'end';
+ } else {
+ goto = s.startElement;
+ caretTo = s.startOffset;
+ }
+ } else {
+ if(s.endsAtEnd()) {
+ goto = s.canvas.getNearestTextElement('below', s.startElement);
+ caretTo = 'start';
+ } else {
+ goto = s.endElement;
+ caretTo = 0;
+ }
+ }
+
+ var doc = s.canvas.wlxmlDocument;
+ doc.transaction(function() {
+
+ doc.deleteText({
+ from: {
+ node: s.startElement.wlxmlNode,
+ offset: s.startOffset
+ },
+ to: {
+ node: s.endElement.wlxmlNode,
+ offset: s.endOffset
+ }
+ });
+
+ }, {
+ success: function() {
+ if(goto) {
+ s.canvas.setCurrentElement(goto, {caretTo: caretTo});
+ }
+ }
+ });
+
+ }
+ },
+ {
+ applies: function(e, s) {
+ return s.type === 'caret' && e.key === KEYS.ENTER && !s.element.parent().isRootElement();
+ },
+ run: function(e, s) {
+ var result, goto, gotoOptions;
+ void(e);
+ e.preventDefault();
+ s.canvas.wlxmlDocument.transaction(function() {
+ result = s.element.wlxmlNode.breakContent({offset: s.offset});
+ }, {
+ metadata: {
+ description: gettext('Splitting text'),
+ fragment: s.toDocumentFragment()
+ }
+ });
+
+ if(result.emptyText) {
+ goto = result.emptyText;
+ gotoOptions = {};
+ } else {
+ goto = result.second;
+ gotoOptions = {caretTo: 'start'};
+ }
+
+ s.canvas.setCurrentElement(utils.getElementForNode(goto), gotoOptions);
+ }
+ }
+];
+
return {
- handleKey: handleKey
+ handleKey: handleKey,
+ handleKeyEvent: handleKeyEvent,
+ KEYS: KEYS
};
});
\ No newline at end of file
fnp / fnpeditor.git / blobdiff