var DocumentElement = function(wlxmlNode, canvas) {
this.wlxmlNode = wlxmlNode;
this.canvas = canvas;
+ this.state = {
+ exposed: false,
+ active: false
+ };
this.dom = this.createDOM();
this.dom.data('canvas-element', this);
+ this.wlxmlNode.setData('canvasElement', this);
};
$.extend(DocumentElement.prototype, {
refresh: function() {
// noop
},
+ updateState: function(toUpdate) {
+ var changes = {};
+ _.keys(toUpdate)
+ .filter(function(key) {
+ return this.state.hasOwnProperty(key);
+ }.bind(this))
+ .forEach(function(key) {
+ if(this.state !== toUpdate[key]) {
+ this.state[key] = changes[key] = toUpdate[key];
+ }
+ }.bind(this));
+ if(_.isFunction(this.onStateChange)) {
+ this.onStateChange(changes);
+ if(_.isBoolean(changes.active)) {
+ if(changes.active) {
+ var ptr = this;
+ while(ptr && ptr.wlxmlNode.getTagName() === 'span') {
+ ptr = ptr.parent();
+ }
+ if(ptr && ptr.gutterGroup) {
+ ptr.gutterGroup.show();
+ }
+ }
+ }
+ }
+ },
parent: function() {
var parents = this.dom.parents('[document-node-element]');
if(parents.length) {
// DocumentNodeElement represents an element node from WLXML document rendered inside Canvas
var DocumentNodeElement = function(wlxmlNode, canvas) {
DocumentElement.call(this, wlxmlNode, canvas);
- wlxmlNode.setData('canvasElement', this);
this.init(this.dom);
};
} else {
element = e.canvas.createElement(params);
}
- e.dom[action](element.dom);
- e.refreshPath();
+ if(element.dom) {
+ e.dom[action](element.dom);
+ e.refreshPath();
+ }
return element;
};
clearWidgets: function() {
this.dom.children('.canvas-widgets').empty();
},
+ addToGutter: function(view) {
+ if(!this.gutterGroup) {
+ this.gutterGroup = this.canvas.gutter.createViewGroup({
+ offsetHint: function() {
+ return this.canvas.getElementOffset(this);
+ }.bind(this)
+ }, this);
+ }
+ this.gutterGroup.addView(view);
+ },
handle: function(event) {
var method = 'on' + event.type[0].toUpperCase() + event.type.substr(1);
if(this[method]) {
createDOM: function() {
var wrapper = $('<div>').attr('document-node-element', ''),
widgetsContainer = $('<div>')
- .addClass('canvas-widgets')
- .attr('contenteditable', false),
+ .addClass('canvas-widgets'),
contentContainer = $('<div>')
.attr('document-element-content', '');
- wrapper.append(widgetsContainer, contentContainer);
+ wrapper.append(contentContainer, widgetsContainer);
widgetsContainer.find('*').add(widgetsContainer).attr('tabindex', -1);
return wrapper;
},
_container: function() {
return this.dom.children('[document-element-content]');
},
- detach: function() {
- var parents = this.parents();
- this.dom.detach();
- this.canvas = null;
- if(parents[0]) {
- parents[0].refreshPath();
+ detach: function(isChild) {
+ var parents;
+
+ if(this.gutterGroup) {
+ this.gutterGroup.remove();
}
- return this;
+ if(_.isFunction(this.children)) {
+ this.children().forEach(function(child) {
+ child.detach(true);
+ });
+ }
+
+ if(!isChild) {
+ parents = this.parents();
+ this.dom.detach();
+ if(parents[0]) {
+ parents[0].refreshPath();
+ }
+ }
+ return this;
},
before: function(params) {
return manipulate(this, params, 'before');
return manipulate(this, params, 'after');
},
- toggleLabel: function(toggle) {
- var displayCss = toggle ? 'inline-block' : 'none';
- var label = this.dom.children('.canvas-widgets').find('.canvas-widget-label');
- label.css('display', displayCss);
- this.toggleHighlight(toggle);
- },
-
- toggleHighlight: function(toggle) {
- this._container().toggleClass('highlighted-element', toggle);
- },
-
isBlock: function() {
return this.dom.css('display') === 'block';
},
.text(this.wlxmlNode.getText() || utils.unicode.ZWS);
return dom;
},
- detach: function() {
- this.dom.detach();
- this.canvas = null;
+ detach: function(isChild) {
+ if(!isChild) {
+ this.dom.detach();
+ }
return this;
},
setText: function(text) {
- this.dom.contents()[0].data = text;
+ if(text === '') {
+ text = utils.unicode.ZWS;
+ }
+ if(text !== this.getText()) {
+ this.dom.contents()[0].data = text;
+ }
+ },
+ handle: function(event) {
+ this.setText(event.meta.node.getText());
},
getText: function(options) {
options = _.extend({raw: false}, options || {});
} else {
element = this.canvas.createElement(params);
}
- this.dom.wrap('<div>');
- this.dom.parent().after(element.dom);
- this.dom.unwrap();
- this.refreshPath();
+ if(element.dom) {
+ this.dom.wrap('<div>');
+ this.dom.parent().after(element.dom);
+ this.dom.unwrap();
+ this.refreshPath();
+ }
return element;
},
before: function(params) {
} else {
element = this.canvas.createElement(params);
}
- this.dom.wrap('<div>');
- this.dom.parent().before(element.dom);
- this.dom.unwrap();
- this.refreshPath();
+ if(element.dom) {
+ this.dom.wrap('<div>');
+ this.dom.parent().before(element.dom);
+ this.dom.unwrap();
+ this.refreshPath();
+ }
return element;
},
- toggleHighlight: function() {
- // do nothing for now
- },
children: function() {
return [];
}