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* This file contains the panel class used by the dock to display the content of docked blocks.
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* @module moodle-core-dock
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* @namespace M.core.dock
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DOCKPANEL = function() {
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DOCKPANEL.superclass.constructor.apply(this, arguments);
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DOCKPANEL.prototype = {
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* True once the panel has been created.
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* Called during the initialisation process of the object.
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initializer : function() {
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Y.log('Panel initialising', 'debug', LOGNS);
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* Fired before the panel is shown.
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* @event dockpane::beforeshow
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this.publish('dockpanel:beforeshow', {prefix:'dockpanel'});
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* Fired after the panel is shown.
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* @event dockpanel:shown
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this.publish('dockpanel:shown', {prefix:'dockpanel'});
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* Fired before the panel is hidden.
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* @event dockpane::beforehide
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this.publish('dockpanel:beforehide', {prefix:'dockpanel'});
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* Fired after the panel is hidden.
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* @event dockpanel:hidden
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this.publish('dockpanel:hidden', {prefix:'dockpanel'});
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* Fired when ever the dock panel is either hidden or shown.
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* Always fired after the shown or hidden events.
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* @event dockpanel:visiblechange
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this.publish('dockpanel:visiblechange', {prefix:'dockpanel'});
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* Creates the Panel if it has not already been created.
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var dock = this.get('dock'),
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node = dock.get('dockNode');
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this.set('node', Y.Node.create('<div id="dockeditempanel" class="dockitempanel_hidden"></div>'));
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this.set('contentNode', Y.Node.create('<div class="dockeditempanel_content"></div>'));
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this.set('headerNode', Y.Node.create('<div class="dockeditempanel_hd"></div>'));
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this.set('bodyNode', Y.Node.create('<div class="dockeditempanel_bd"></div>'));
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this.get('node').append(this.get('contentNode').append(this.get('headerNode')).append(this.get('bodyNode')))
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this.fire('dockpanel:beforeshow');
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this.set('visible', true);
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this.get('node').removeClass('dockitempanel_hidden');
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this.fire('dockpanel:shown');
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this.fire('dockpanel:visiblechange');
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this.fire('dockpanel:beforehide');
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this.set('visible', false);
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this.get('node').addClass('dockitempanel_hidden');
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this.fire('dockpanel:hidden');
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this.fire('dockpanel:visiblechange');
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* Sets the panel header.
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* @param {Node|String} content
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setHeader : function(content) {
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var header = this.get('headerNode'),
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header.setContent(content);
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if (arguments.length > 1) {
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for (i = 1; i < arguments.length; i++) {
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if (Y.Lang.isNumber(i) || Y.Lang.isString(i)) {
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header.append(arguments[i]);
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* Sets the panel body.
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* @param {Node|String} content
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setBody : function(content) {
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this.get('bodyNode').setContent(content);
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* Sets the new top mark of the panel.
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* @param {Number} newtop
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setTop : function(newtop) {
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if (Y.UA.ie > 0 && Y.UA.ie < 7) {
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this.get('node').setY(newtop);
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this.get('node').setStyle('top', newtop.toString()+'px');
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* Corrects the width of the panel.
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* @method correctWidth
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correctWidth : function() {
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var bodyNode = this.get('bodyNode'),
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width = bodyNode.get('clientWidth'),
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// Scrollable width of content.
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scroll = bodyNode.get('scrollWidth'),
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// Width of content container with overflow.
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offsetWidth = bodyNode.get('offsetWidth'),
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// The new width - defaults to the current width.
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// The max width (80% of screen).
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maxWidth = Math.round(bodyNode.get('winWidth') * 0.8);
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// If the scrollable width is more than the visible width
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if (scroll > width) {
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// + any rendering difference (borders, padding)
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// + 10px to make it look nice.
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newWidth = width + (scroll - width) + ((offsetWidth - width)*2) + 10;
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// Make sure its not more then the maxwidth
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if (newWidth > maxWidth) {
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// Set the new width if its more than the old width.
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if (newWidth > offsetWidth) {
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this.get('node').setStyle('width', newWidth+'px');
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Y.extend(DOCKPANEL, Y.Base, DOCKPANEL.prototype, {
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NAME : 'moodle-core-dock-panel',
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writeOnce : 'initOnly'
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* The node that contains the whole panel.
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* The node that contains the header, body and footer.
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* @attribute contentNode
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* The node that contains the header
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* @attribute headerNode
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* The node that contains the body
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* @attribute bodyNode
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* True if the panel is currently visible.
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Y.augment(DOCKPANEL, Y.EventTarget);