X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/ef3798eb62c7d42315da10c02ce75ba0b9232dd0..28faa6e7111db9527643804893de5aee7eb3da33:/modules/documentCanvas/canvas/canvas.js diff --git a/modules/documentCanvas/canvas/canvas.js b/modules/documentCanvas/canvas/canvas.js index a3d24a0..8ed9b58 100644 --- a/modules/documentCanvas/canvas/canvas.js +++ b/modules/documentCanvas/canvas/canvas.js @@ -23,47 +23,105 @@ $.extend(Canvas.prototype, { var currentTag = $(this); if(currentTag.attr('wlxml-tag')) return; - var element = documentElement.DocumentNodeElement.createDOM({ + + var meta = {}, others = {}; + for(var i = 0; i < this.attributes.length; i++) { + var attr = this.attributes[i]; + if(attr.name.substr(0, 5) === 'meta-') + meta[attr.name.substr(5)] = attr.value; + else if(attr.name !== 'class') + others[attr.name] = attr.value; + } + + var element = documentElement.DocumentNodeElement.create({ tag: currentTag.prop('tagName').toLowerCase(), - klass: currentTag.attr('class') + klass: currentTag.attr('class'), + meta: meta, + others: others }); - element.append(currentTag.contents()); - return element; + element.dom().append(currentTag.contents()); + ['orig-before', 'orig-after', 'orig-begin', 'orig-end'].forEach(function(attr) { + element.data(attr, ''); + }); + return element.dom(); }); this.wrapper.find(':not(iframe)').addBack().contents() .filter(function() {return this.nodeType === Node.TEXT_NODE}) .each(function() { - - var el = $(this); - // TODO: use DocumentElement API - var spanParent = el.parent().attr('wlxml-tag') === 'span', - spanBefore = el.prev().length > 0 && $(el.prev()[0]).attr('wlxml-tag') === 'span', - spanAfter = el.next().length > 0 && $(el.next()[0]).attr('wlxml-tag') === 'span'; - - if(spanParent || spanBefore || spanAfter) { - var startSpace = /\s/g.test(this.data.substr(0,1)); - var endSpace = /\s/g.test(this.data.substr(-1)) && this.data.length > 1; - var trimmed = $.trim(this.data); - this.data = (startSpace && (spanParent || spanBefore) ? ' ' : '') - + trimmed - + (endSpace && (spanParent || spanAfter) ? ' ' : ''); + var el = $(this), + text = {original: el.text(), trimmed: $.trim(el.text())}, + elParent = el.parent(), + hasSpanParent = elParent.attr('wlxml-tag') === 'span', + hasSpanBefore = el.prev().length > 0 && $(el.prev()[0]).attr('wlxml-tag') === 'span', + hasSpanAfter = el.next().length > 0 && $(el.next()[0]).attr('wlxml-tag') === 'span'; + + + var addInfo = function(toAdd, where) { + var parentContents = elParent.contents(), + idx = parentContents.index(el[0]), + prev = idx > 0 ? parentContents[idx-1] : null, + next = idx < parentContents.length - 1 ? parentContents[idx+1] : null, + target, key; + + if(where === 'above') { + target = prev ? $(prev) : elParent; + key = prev ? 'orig-after' : 'orig-begin'; + } else if(where === 'below') { + target = next ? $(next) : elParent; + key = next ? 'orig-before' : 'orig-end'; + } else { throw new Object;} + + target.data(key, toAdd); + } + + text.transformed = text.trimmed; + + if(hasSpanParent || hasSpanBefore || hasSpanAfter) { + var startSpace = /\s/g.test(text.original.substr(0,1)), + endSpace = /\s/g.test(text.original.substr(-1)) && text.original.length > 1; + text.transformed = (startSpace && (hasSpanParent || hasSpanBefore) ? ' ' : '') + + text.trimmed + + (endSpace && (hasSpanParent || hasSpanAfter) ? ' ' : ''); } else { - var oldLength = this.data.length; - this.data = $.trim(this.data); - if(this.data.length === 0 && oldLength > 0 && el.parent().contents().length === 1) - this.data = ' '; - if(this.data.length === 0) { - $(this).remove(); - return true; // continue + if(text.trimmed.length === 0 && text.original.length > 0 && elParent.contents().length === 1) + text.transformed = ' '; + } + + if(!text.transformed) { + addInfo(text.original, 'below'); + el.remove(); + return true; // continue + } + + if(text.transformed !== text.original) { + if(!text.trimmed) { + addInfo(text.original, 'below'); + } else { + var startingMatch = text.original.match(/^\s+/g), + endingMatch = text.original.match(/\s+$/g), + startingWhiteSpace = startingMatch ? startingMatch[0] : null, + endingWhiteSpace = endingMatch ? endingMatch[0] : null; + + if(endingWhiteSpace) { + if(text.transformed[text.transformed.length - 1] === ' ' && endingWhiteSpace[0] === ' ') + endingWhiteSpace = endingWhiteSpace.substr(1); + addInfo(endingWhiteSpace, 'below'); + } + + if(startingWhiteSpace) { + if(text.transformed[0] === ' ' && startingWhiteSpace[startingWhiteSpace.length-1] === ' ') + startingWhiteSpace = startingWhiteSpace.substr(0, startingWhiteSpace.length -1); + addInfo(startingWhiteSpace, 'above'); + } } } - var element = documentElement.DocumentTextElement.create({text: this.data}); - $(this).replaceWith(element.dom()); + var element = documentElement.DocumentTextElement.create({text: text.transformed}); + el.replaceWith(element.dom()); }); this.d = this.wrapper.children(0); @@ -74,8 +132,19 @@ $.extend(Canvas.prototype, { e.preventDefault(); var cursor = canvas.getCursor(); if(!cursor.isSelecting()) { - var position = cursor.getPosition(); - position.element.split({offset: position.offset}); + var position = cursor.getPosition(), + elements = position.element.split({offset: position.offset}), + newEmpty, + goto; + + if(position.offsetAtBeginning) + newEmpty = elements.first; + else if(position.offsetAtEnd) + newEmpty = elements.second; + if(newEmpty) { + goto = newEmpty.append(documentElement.DocumentTextElement.create({text: '\u200B'}, this)); + canvas.setCurrentElement(goto); + } } } }); @@ -181,7 +250,7 @@ $.extend(Canvas.prototype, { params = _.extend({caretTo: 'end'}, params); var findFirstDirectTextChild = function(e, nodeToLand) { var byBrowser = this.getCursor().getPosition().element; - if(byBrowser.parent().sameNode(nodeToLand)) + if(byBrowser && byBrowser.parent().sameNode(nodeToLand)) return byBrowser; var children = e.children(); for(var i = 0; i < children.length; i++) { @@ -216,7 +285,7 @@ $.extend(Canvas.prototype, { if(params.caretTo || !textElementToLand.sameNode(this.getCursor().getPosition().element)) this._moveCaretToTextElement(textElementToLand, params.caretTo); // as method on element? if(!(textElementToLand.sameNode(currentTextElement))) - this.publisher('currentTextElementSet', element); + this.publisher('currentTextElementSet', textElementToLand); } else { document.getSelection().removeAllRanges(); } @@ -253,6 +322,13 @@ $.extend(Canvas.prototype, { setCursorPosition: function(position) { if(position.element) this._moveCaretToTextElement(position.element, position.offset); + }, + + toXML: function() { + var parent = $('
'), + parts = this.doc().toXML(0); + parent.append(parts); + return parent.html(); } }); @@ -414,15 +490,31 @@ $.extend(Cursor.prototype, { getSelectionAnchor: function() { return this.getSelectionBoundry('anchor'); }, + getSelectionFocus: function() { + return this.getSelectionBoundry('focus'); + }, getSelectionBoundry: function(which) { var selection = window.getSelection(), anchorElement = this.canvas.getDocumentElement(selection.anchorNode), focusElement = this.canvas.getDocumentElement(selection.focusNode); + if(anchorElement instanceof documentElement.DocumentNodeElement || focusElement instanceof documentElement.DocumentNodeElement) + return {}; + if(which === 'anchor') { return { element: anchorElement, - offset: selection.anchorOffset + offset: selection.anchorOffset, + offsetAtBeginning: selection.anchorOffset === 0, + offsetAtEnd: anchorElement && anchorElement.getText().length === selection.anchorOffset + }; + } + if(which === 'focus') { + return { + element: focusElement, + offset: selection.focusOffset, + offsetAtBeginning: selection.focusOffset === 0, + offsetAtEnd: focusElement && focusElement.getText().length === selection.focusOffset }; } @@ -452,7 +544,7 @@ $.extend(Cursor.prototype, { } } } else { - // TODO: Handle order + // TODO: Handle order via https://developer.mozilla.org/en-US/docs/Web/API/Node.compareDocumentPosition if(which === 'start') { element = anchorElement; offset = selection.anchorOffset @@ -464,7 +556,9 @@ $.extend(Cursor.prototype, { return { element: element, - offset: offset + offset: offset, + offsetAtBeginning: offset === 0, + offsetAtEnd: element.getText().length === offset } } })