- loadWlxml: function(wlxml) {
- var d = wlxml ? $($.trim(wlxml)) : null;
- if(d) {
- this.wrapper = $('<div>').addClass('canvas-wrapper').attr('contenteditable', true);
- this.wrapper.append(d);
- var canvas = this;
-
- this.wrapper.find('*').replaceWith(function() {
- var currentTag = $(this);
- if(currentTag.attr('wlxml-tag'))
- return;
-
- 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 = canvas.createNodeElement({
- tag: currentTag.prop('tagName').toLowerCase(),
- klass: currentTag.attr('class'),
- meta: meta,
- others: others,
- rawChildren: currentTag.contents(),
- prepopulateOnEmpty: true
- });
-
- ['orig-before', 'orig-after', 'orig-begin', 'orig-end'].forEach(function(attr) {
- element.data(attr, '');
- });
- return element.dom();
- });
-
- var FIRST_CONTENT_INDEX = 0;
-
- // @@ TODO - refactor!
- var getNode = function(element) {
- return element.children('[document-element-content]');
- }
-
- this.wrapper.find(':not(iframe)').addBack().contents()
- .filter(function() {return this.nodeType === Node.TEXT_NODE})
- .each(function() {
-
- // TODO: use DocumentElement API
-
- var el = $(this),
- text = {original: el.text(), trimmed: $.trim(el.text())},
- elParent = el.parent(),
- hasSpanParent = elParent.attr('wlxml-tag') === 'span',
- hasSpanBefore = el.prev().length > 0 && getNode($(el.prev()[0])).attr('wlxml-tag') === 'span',
- hasSpanAfter = el.next().length > 0 && getNode($(el.next()[0])).attr('wlxml-tag') === 'span';
-
- if(el.parent().hasClass('canvas-widget') || elParent.attr('document-text-element') !== undefined)
- return true; // continue
-
- var addInfo = function(toAdd, where) {
- var parentContents = elParent.contents(),
- idx = parentContents.index(el[0]),
- prev = idx > FIRST_CONTENT_INDEX ? parentContents[idx-1] : null,
- next = idx < parentContents.length - 1 ? parentContents[idx+1] : null,
- target, key;
-
- if(where === 'above') {
- target = prev ? $(prev) : elParent.parent();
- key = prev ? 'orig-after' : 'orig-begin';
- } else if(where === 'below') {
- target = next ? $(next) : elParent.parent();
- key = next ? 'orig-before' : 'orig-end';
- } else { throw new Object;}
-
- target.data(key, toAdd);
- }
-
- text.transformed = text.trimmed;
-
- if(hasSpanParent || hasSpanBefore || hasSpanAfter) {
- var startSpace = /\s/g.test(text.original.substr(0,1)),
- endSpace = /\s/g.test(text.original.substr(-1)) && text.original.length > 1;
- text.transformed = (startSpace && (hasSpanParent || hasSpanBefore) ? ' ' : '')
- + text.trimmed
- + (endSpace && (hasSpanParent || hasSpanAfter) ? ' ' : '');
- } else {
- if(text.trimmed.length === 0 && text.original.length > 0 && elParent.contents().length === 1)
- text.transformed = ' ';
- }
-
- if(!text.transformed) {
- addInfo(text.original, 'below');
- el.remove();
- return true; // continue
- }
-
- if(text.transformed !== text.original) {
- if(!text.trimmed) {
- addInfo(text.original, 'below');
- } else {
- var startingMatch = text.original.match(/^\s+/g),
- endingMatch = text.original.match(/\s+$/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: text.transformed});
- el.replaceWith(element.dom());
- });
-
- this.d = this.wrapper.children(0);
-
- this.setupEventHandling();
-
- } else {
- this.d = null;
- }
- },
-