--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cm/media/js/lib/yui/yui_3.10.3/build/clickable-rail/clickable-rail.js Tue Jul 16 14:29:46 2013 +0200
@@ -0,0 +1,219 @@
+/*
+YUI 3.10.3 (build 2fb5187)
+Copyright 2013 Yahoo! Inc. All rights reserved.
+Licensed under the BSD License.
+http://yuilibrary.com/license/
+*/
+
+YUI.add('clickable-rail', function (Y, NAME) {
+
+/**
+ * Adds support for mouse interaction with the Slider rail triggering thumb
+ * movement.
+ *
+ * @module slider
+ * @submodule clickable-rail
+ */
+
+/**
+ * Slider extension that allows clicking on the Slider's rail element,
+ * triggering the thumb to align with the location of the click.
+ *
+ * @class ClickableRail
+ */
+function ClickableRail() {
+ this._initClickableRail();
+}
+
+Y.ClickableRail = Y.mix(ClickableRail, {
+
+ // Prototype methods added to host class
+ prototype: {
+
+ /**
+ * Initializes the internal state and sets up events.
+ *
+ * @method _initClickableRail
+ * @protected
+ */
+ _initClickableRail: function () {
+ this._evtGuid = this._evtGuid || (Y.guid() + '|');
+
+ /**
+ * Broadcasts when the rail has received a mousedown event and
+ * triggers the thumb positioning. Use
+ * <code>e.preventDefault()</code> or
+ * <code>set("clickableRail", false)</code> to prevent
+ * the thumb positioning.
+ *
+ * @event railMouseDown
+ * @preventable _defRailMouseDownFn
+ */
+ this.publish('railMouseDown', {
+ defaultFn: this._defRailMouseDownFn
+ });
+
+ this.after('render', this._bindClickableRail);
+ this.on('destroy', this._unbindClickableRail);
+ },
+
+ /**
+ * Attaches DOM event subscribers to support rail interaction.
+ *
+ * @method _bindClickableRail
+ * @protected
+ */
+ _bindClickableRail: function () {
+ this._dd.addHandle(this.rail);
+
+ this.rail.on(this._evtGuid + Y.DD.Drag.START_EVENT,
+ Y.bind(this._onRailMouseDown, this));
+ },
+
+ /**
+ * Detaches DOM event subscribers for cleanup/destruction cycle.
+ *
+ * @method _unbindClickableRail
+ * @protected
+ */
+ _unbindClickableRail: function () {
+ if (this.get('rendered')) {
+ var contentBox = this.get('contentBox'),
+ rail = contentBox.one('.' + this.getClassName('rail'));
+
+ rail.detach(this.evtGuid + '*');
+ }
+ },
+
+ /**
+ * Dispatches the railMouseDown event.
+ *
+ * @method _onRailMouseDown
+ * @param e {DOMEvent} the mousedown event object
+ * @protected
+ */
+ _onRailMouseDown: function (e) {
+ if (this.get('clickableRail') && !this.get('disabled')) {
+ this.fire('railMouseDown', { ev: e });
+ this.thumb.focus();
+ }
+ },
+
+ /**
+ * Default behavior for the railMouseDown event. Centers the thumb at
+ * the click location and passes control to the DDM to behave as though
+ * the thumb itself were clicked in preparation for a drag operation.
+ *
+ * @method _defRailMouseDownFn
+ * @param e {Event} the EventFacade for the railMouseDown custom event
+ * @protected
+ */
+ _defRailMouseDownFn: function (e) {
+ e = e.ev;
+
+ // Logic that determines which thumb should be used is abstracted
+ // to someday support multi-thumb sliders
+ var dd = this._resolveThumb(e),
+ i = this._key.xyIndex,
+ length = parseFloat(this.get('length'), 10),
+ thumb,
+ thumbSize,
+ xy;
+
+ if (dd) {
+ thumb = dd.get('dragNode');
+ thumbSize = parseFloat(thumb.getStyle(this._key.dim), 10);
+
+ // Step 1. Allow for aligning to thumb center or edge, etc
+ xy = this._getThumbDestination(e, thumb);
+
+ // Step 2. Remove page offsets to give just top/left style val
+ xy = xy[ i ] - this.rail.getXY()[i];
+
+ // Step 3. Constrain within the rail in case of attempt to
+ // center the thumb when clicking on the end of the rail
+ xy = Math.min(
+ Math.max(xy, 0),
+ (length - thumbSize));
+
+ this._uiMoveThumb(xy, { source: 'rail' });
+
+ // Set e.target for DD's IE9 patch which calls
+ // e.target._node.setCapture() to allow imgs to be dragged.
+ // Without this, setCapture is called from the rail and rail
+ // clicks on other Sliders may have their thumb movements
+ // overridden by a different Slider (the thumb on the wrong
+ // Slider moves).
+ e.target = this.thumb.one('img') || this.thumb;
+
+ // Delegate to DD's natural behavior
+ dd._handleMouseDownEvent(e);
+
+ // TODO: this won't trigger a slideEnd if the rail is clicked
+ // check if dd._move(e); dd._dragThreshMet = true; dd.start();
+ // will do the trick. Is that even a good idea?
+ }
+ },
+
+ /**
+ * Resolves which thumb to actuate if any. Override this if you want to
+ * support multiple thumbs. By default, returns the Drag instance for
+ * the thumb stored by the Slider.
+ *
+ * @method _resolveThumb
+ * @param e {DOMEvent} the mousedown event object
+ * @return {DD.Drag} the Drag instance that should be moved
+ * @protected
+ */
+ _resolveThumb: function (e) {
+ /* Temporary workaround
+ var primaryOnly = this._dd.get('primaryButtonOnly'),
+ validClick = !primaryOnly || e.button <= 1;
+
+ return (validClick) ? this._dd : null;
+ */
+ return this._dd;
+ },
+
+ /**
+ * Calculates the top left position the thumb should be moved to to
+ * align the click XY with the center of the specified node.
+ *
+ * @method _getThumbDestination
+ * @param e {DOMEvent} The mousedown event object
+ * @param node {Node} The node to position
+ * @return {Array} the [top, left] pixel position of the destination
+ * @protected
+ */
+ _getThumbDestination: function (e, node) {
+ var offsetWidth = node.get('offsetWidth'),
+ offsetHeight = node.get('offsetHeight');
+
+ // center
+ return [
+ (e.pageX - Math.round((offsetWidth / 2))),
+ (e.pageY - Math.round((offsetHeight / 2)))
+ ];
+ }
+
+ },
+
+ // Static properties added onto host class
+ ATTRS: {
+ /**
+ * Enable or disable clickable rail support.
+ *
+ * @attribute clickableRail
+ * @type {Boolean}
+ * @default true
+ */
+ clickableRail: {
+ value: true,
+ validator: Y.Lang.isBoolean
+ }
+ }
+
+}, true);
+
+
+}, '3.10.3', {"requires": ["slider-base"]});