mirror of
http://git.whoc.org.uk/git/password-manager.git
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587 lines
21 KiB
JavaScript
587 lines
21 KiB
JavaScript
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/**
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* @class YAHOO.ext.Resizable
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* @extends YAHOO.ext.util.Observable
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* <p>Applies drag handles to an element to make it resizable. The drag handles are inserted into the element
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* and positioned absolute. Some elements, such as a textarea or image, don't support this. To overcome that, you can wrap
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* the textarea in a div and set "resizeChild" to true (or the id of the textarea), <b>or</b> set wrap:true in your config and
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* the element will be wrapped for you automatically.</p><br/>
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* Here's a Resizable with every possible config option and it's default value:
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<pre><code>
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var resizer = new YAHOO.ext.Resizable('element-id', {
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resizeChild : false,
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adjustments : [0, 0],
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minWidth : 5,
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minHeight : 5,
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maxWidth : 10000,
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maxHeight : 10000,
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enabled : true,
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wrap: false, // true to wrap the element
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width: null, // initial size
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height: null, // initial size
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animate : false,
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duration : .35,
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dynamic : false,
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handles : false,
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multiDirectional : false,
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disableTrackOver : false,
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easing : YAHOO.util.Easing ? YAHOO.util.Easing.easeOutStrong : null,
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widthIncrement : 0,
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heightIncrement : 0,
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pinned : false,
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width : null,
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height : null,
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preserveRatio : false,
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transparent: false,
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minX: 0,
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minY: 0,
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draggable: false
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});
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resizer.on('resize', myHandler);
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</code></pre>
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* <p>
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* To hide a particular handle, set it's display to none in CSS, or through script:<br>
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* resizer.east.setDisplayed(false);
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* </p>
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* @constructor
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* Create a new resizable component
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* @param {String/HTMLElement/YAHOO.ext.Element} el The id or element to resize
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* @param {Object} config configuration options
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*/
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YAHOO.ext.Resizable = function(el, config){
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this.el = getEl(el);
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if(config && config.wrap){
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config.resizeChild = this.el;
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this.el = this.el.wrap(typeof config.wrap == 'object' ? config.wrap : null);
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this.el.id = this.el.dom.id = config.resizeChild.id + '-rzwrap';
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this.el.setStyle('overflow', 'hidden');
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this.el.setPositioning(config.resizeChild.getPositioning());
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config.resizeChild.clearPositioning();
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if(!config.width || !config.height){
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var csize = config.resizeChild.getSize();
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//csize.width -= config.adjustments[0];
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//csize.height -= config.adjustments[1];
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this.el.setSize(csize.width, csize.height);
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}
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if(config.pinned && !config.adjustments){
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config.adjustments = 'auto';
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}
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}
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this.proxy = this.el.createProxy({tag: 'div', cls: 'yresizable-proxy', id: this.el.id + '-rzproxy'})
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this.proxy.unselectable();
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// the overlay traps mouse events while dragging and fixes iframe issue
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this.overlay = this.el.createProxy({tag: 'div', cls: 'yresizable-overlay', html: ' '});
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this.overlay.unselectable();
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this.overlay.enableDisplayMode('block');
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this.overlay.mon('mousemove', this.onMouseMove, this, true);
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this.overlay.mon('mouseup', this.onMouseUp, this, true);
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YAHOO.ext.util.Config.apply(this, config, {
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/** True to resizeSize the first child or id/element to resize @type YAHOO.ext.Element */
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resizeChild : false,
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/** String "auto" or an array [width, height] with values to be <b>added</b> to the resize operation's new size. @type Array/String */
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adjustments : [0, 0],
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/** The minimum width for the element @type Number */
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minWidth : 5,
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/** The minimum height for the element @type Number */
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minHeight : 5,
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/** The maximum width for the element @type Number */
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maxWidth : 10000,
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/** The maximum height for the element @type Number */
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maxHeight : 10000,
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/** false to disable resizing @type Boolean */
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enabled : true,
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/** True to animate the resize (not compatible with dynamic sizing) @type Boolean */
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animate : false,
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/** Animation duration @type Float */
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duration : .35,
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/** True to resize the element while dragging instead of using a proxy @type Boolean */
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dynamic : false,
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// these 3 are only available at config time
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/** String consisting of the resize handles to display. Valid handles are
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* n (north), s (south) e (east), w (west), ne (northeast), nw (northwest), se (southeast), sw (southwest)
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* and all (which applies them all). If this is blank it defaults to "e,s,se". Handles can be delimited using
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* a space, comma or semi-colon. This is only applied at config time. @type String*/
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handles : false,
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multiDirectional : false,
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/** true to disable mouse tracking. This is only applied at config time. @type Boolean*/
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disableTrackOver : false,
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/** Animation easing @type YAHOO.util.Easing */
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easing : YAHOO.util.Easing ? YAHOO.util.Easing.easeOutStrong : null,
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/** The increment to snap the width resize in pixels (dynamic must be true) @type Number */
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widthIncrement : 0,
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/** The increment to snap the height resize in pixels (dynamic must be true) @type Number */
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heightIncrement : 0,
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/** true to pin the resize handles. This is only applied at config time. @type Boolean*/
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pinned : false,
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/** The initial width for the element @type Number */
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width : null,
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/** The initial height for the element @type Number */
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height : null,
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/** true to preserve the initial size ratio. @type Boolean*/
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preserveRatio : false,
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/** true for transparent handles. This is only applied at config time. @type Boolean*/
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transparent: false,
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/** The minimum allowed page X for the element (only used for west resizing, defaults to 0) @type Number */
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minX: 0,
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/** The minimum allowed page Y for the element (only used for north resizing, defaults to 0) @type Number */
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minY: 0,
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/** convenience to initialize drag drop. @type Boolean*/
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draggable: false
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});
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if(this.pinned){
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this.disableTrackOver = true;
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this.el.addClass('yresizable-pinned');
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}
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// if the element isn't positioned, make it relative
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var position = this.el.getStyle('position');
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if(position != 'absolute' && position != 'fixed'){
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this.el.setStyle('position', 'relative');
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}
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if(!this.handles){ // no handles passed, must be legacy style
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this.handles = 's,e,se';
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if(this.multiDirectional){
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this.handles += ',n,w';
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}
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}
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if(this.handles == 'all'){
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this.handles = 'n s e w ne nw se sw';
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}
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var hs = this.handles.split(/\s*?[,;]\s*?| /);
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var ps = YAHOO.ext.Resizable.positions;
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for(var i = 0, len = hs.length; i < len; i++){
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if(hs[i] && ps[hs[i]]){
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var pos = ps[hs[i]];
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this[pos] = new YAHOO.ext.Resizable.Handle(this, pos, this.disableTrackOver, this.transparent);
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}
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}
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// legacy
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this.corner = this.southeast;
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this.activeHandle = null;
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if(this.resizeChild){
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if(typeof this.resizeChild == 'boolean'){
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this.resizeChild = YAHOO.ext.Element.get(this.el.dom.firstChild, true);
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}else{
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this.resizeChild = YAHOO.ext.Element.get(this.resizeChild, true);
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}
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}
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if(this.adjustments == 'auto'){
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var rc = this.resizeChild;
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var hw = this.west, he = this.east, hn = this.north, hs = this.south;
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if(rc && (hw || hn)){
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rc.setRelativePositioned();
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rc.setLeft(hw ? hw.el.getWidth() : 0);
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rc.setTop(hn ? hn.el.getHeight() : 0);
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}
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this.adjustments = [
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(he ? -he.el.getWidth() : 0) + (hw ? -hw.el.getWidth() : 0),
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(hn ? -hn.el.getHeight() : 0) + (hs ? -hs.el.getHeight() : 0) -1
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];
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}
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if(this.draggable){
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this.dd = this.dynamic ?
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this.el.initDD(null) : this.el.initDDProxy(null, {dragElId: this.proxy.id});
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this.dd.setHandleElId(this.resizeChild ? this.resizeChild.id : this.el.id);
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}
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// public events
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this.events = {
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/**
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* @event beforeresize
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* Fired before resize is allowed. Set enabled to false to cancel resize.
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* @param {YAHOO.ext.Resizable} this
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* @param {YAHOO.ext.EventObject} e The mousedown event
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*/
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'beforeresize' : new YAHOO.util.CustomEvent(),
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/**
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* @event resize
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* Fired after a resize.
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* @param {YAHOO.ext.Resizable} this
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* @param {Number} width The new width
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* @param {Number} height The new height
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* @param {YAHOO.ext.EventObject} e The mouseup event
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*/
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'resize' : new YAHOO.util.CustomEvent()
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};
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if(this.width !== null && this.height !== null){
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this.resizeTo(this.width, this.height);
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}else{
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this.updateChildSize();
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}
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};
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YAHOO.extendX(YAHOO.ext.Resizable, YAHOO.ext.util.Observable, {
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/**
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* Perform a manual resize
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* @param {Number} width
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* @param {Number} height
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*/
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resizeTo : function(width, height){
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this.el.setSize(width, height);
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this.updateChildSize();
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this.fireEvent('resize', this, width, height, null);
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},
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startSizing : function(e){
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this.fireEvent('beforeresize', this, e);
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if(this.enabled){ // 2nd enabled check in case disabled before beforeresize handler
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this.resizing = true;
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this.startBox = this.el.getBox();
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this.startPoint = e.getXY();
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this.offsets = [(this.startBox.x + this.startBox.width) - this.startPoint[0],
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(this.startBox.y + this.startBox.height) - this.startPoint[1]];
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this.proxy.setBox(this.startBox);
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this.overlay.setSize(YAHOO.util.Dom.getDocumentWidth(), YAHOO.util.Dom.getDocumentHeight());
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this.overlay.show();
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if(!this.dynamic){
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this.proxy.show();
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}
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}
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},
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onMouseDown : function(handle, e){
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if(this.enabled){
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e.stopEvent();
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this.activeHandle = handle;
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this.overlay.setStyle('cursor', handle.el.getStyle('cursor'));
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this.startSizing(e);
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}
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},
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onMouseUp : function(e){
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var size = this.resizeElement();
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this.resizing = false;
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this.handleOut();
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this.overlay.hide();
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this.fireEvent('resize', this, size.width, size.height, e);
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},
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updateChildSize : function(){
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if(this.resizeChild){
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var el = this.el;
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var child = this.resizeChild;
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var adj = this.adjustments;
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if(el.dom.offsetWidth){
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var b = el.getSize(true);
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child.setSize(b.width+adj[0], b.height+adj[1]);
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}
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// Second call here for IE
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// The first call enables instant resizing and
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// the second call corrects scroll bars if they
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// exist
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if(YAHOO.ext.util.Browser.isIE){
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setTimeout(function(){
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if(el.dom.offsetWidth){
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var b = el.getSize(true);
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child.setSize(b.width+adj[0], b.height+adj[1]);
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}
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}, 10);
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}
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}
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},
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snap : function(value, inc, min){
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if(!inc || !value) return value;
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var newValue = value;
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var m = value % inc;
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if(m > 0){
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if(m > (inc/2)){
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newValue = value + (inc-m);
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}else{
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newValue = value - m;
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}
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}
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return Math.max(min, newValue);
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},
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resizeElement : function(){
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var box = this.proxy.getBox();
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//box.width = this.snap(box.width, this.widthIncrement);
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//box.height = this.snap(box.height, this.heightIncrement);
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//if(this.multiDirectional){
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this.el.setBox(box, false, this.animate, this.duration, null, this.easing);
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//}else{
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// this.el.setSize(box.width, box.height, this.animate, this.duration, null, this.easing);
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//}
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this.updateChildSize();
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this.proxy.hide();
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return box;
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},
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constrain : function(v, diff, m, mx){
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if(v - diff < m){
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diff = v - m;
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}else if(v - diff > mx){
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diff = mx - v;
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}
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return diff;
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},
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onMouseMove : function(e){
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if(this.enabled){
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try{// try catch so if something goes wrong the user doesn't get hung
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//var curXY = this.startPoint;
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var curSize = this.curSize || this.startBox;
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var x = this.startBox.x, y = this.startBox.y;
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var ox = x, oy = y;
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var w = curSize.width, h = curSize.height;
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var ow = w, oh = h;
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var mw = this.minWidth, mh = this.minHeight;
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var mxw = this.maxWidth, mxh = this.maxHeight;
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var wi = this.widthIncrement;
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var hi = this.heightIncrement;
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var eventXY = e.getXY();
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var diffX = -(this.startPoint[0] - Math.max(this.minX, eventXY[0]));
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var diffY = -(this.startPoint[1] - Math.max(this.minY, eventXY[1]));
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||
|
|
var pos = this.activeHandle.position;
|
||
|
|
|
||
|
|
switch(pos){
|
||
|
|
case 'east':
|
||
|
|
w += diffX;
|
||
|
|
w = Math.min(Math.max(mw, w), mxw);
|
||
|
|
break;
|
||
|
|
case 'south':
|
||
|
|
h += diffY;
|
||
|
|
h = Math.min(Math.max(mh, h), mxh);
|
||
|
|
break;
|
||
|
|
case 'southeast':
|
||
|
|
w += diffX;
|
||
|
|
h += diffY;
|
||
|
|
w = Math.min(Math.max(mw, w), mxw);
|
||
|
|
h = Math.min(Math.max(mh, h), mxh);
|
||
|
|
break;
|
||
|
|
case 'north':
|
||
|
|
diffY = this.constrain(h, diffY, mh, mxh);
|
||
|
|
y += diffY;
|
||
|
|
h -= diffY;
|
||
|
|
break;
|
||
|
|
case 'west':
|
||
|
|
diffX = this.constrain(w, diffX, mw, mxw);
|
||
|
|
x += diffX;
|
||
|
|
w -= diffX;
|
||
|
|
break;
|
||
|
|
case 'northeast':
|
||
|
|
w += diffX;
|
||
|
|
w = Math.min(Math.max(mw, w), mxw);
|
||
|
|
diffY = this.constrain(h, diffY, mh, mxh);
|
||
|
|
y += diffY;
|
||
|
|
h -= diffY;
|
||
|
|
break;
|
||
|
|
case 'northwest':
|
||
|
|
diffX = this.constrain(w, diffX, mw, mxw);
|
||
|
|
diffY = this.constrain(h, diffY, mh, mxh);
|
||
|
|
y += diffY;
|
||
|
|
h -= diffY;
|
||
|
|
x += diffX;
|
||
|
|
w -= diffX;
|
||
|
|
break;
|
||
|
|
case 'southwest':
|
||
|
|
diffX = this.constrain(w, diffX, mw, mxw);
|
||
|
|
h += diffY;
|
||
|
|
h = Math.min(Math.max(mh, h), mxh);
|
||
|
|
x += diffX;
|
||
|
|
w -= diffX;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
var sw = this.snap(w, wi, mw);
|
||
|
|
var sh = this.snap(h, hi, mh);
|
||
|
|
if(sw != w || sh != h){
|
||
|
|
switch(pos){
|
||
|
|
case 'northeast':
|
||
|
|
y -= sh - h;
|
||
|
|
break;
|
||
|
|
case 'north':
|
||
|
|
y -= sh - h;
|
||
|
|
break;
|
||
|
|
case 'southwest':
|
||
|
|
x -= sw - w;
|
||
|
|
break;
|
||
|
|
case 'west':
|
||
|
|
x -= sw - w;
|
||
|
|
break;
|
||
|
|
case 'northwest':
|
||
|
|
x -= sw - w;
|
||
|
|
y -= sh - h;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
w = sw;
|
||
|
|
h = sh;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(this.preserveRatio){
|
||
|
|
switch(pos){
|
||
|
|
case 'southeast':
|
||
|
|
case 'east':
|
||
|
|
h = oh * (w/ow);
|
||
|
|
h = Math.min(Math.max(mh, h), mxh);
|
||
|
|
w = ow * (h/oh);
|
||
|
|
break;
|
||
|
|
case 'south':
|
||
|
|
w = ow * (h/oh);
|
||
|
|
w = Math.min(Math.max(mw, w), mxw);
|
||
|
|
h = oh * (w/ow);
|
||
|
|
break;
|
||
|
|
case 'northeast':
|
||
|
|
w = ow * (h/oh);
|
||
|
|
w = Math.min(Math.max(mw, w), mxw);
|
||
|
|
h = oh * (w/ow);
|
||
|
|
break;
|
||
|
|
case 'north':
|
||
|
|
var tw = w;
|
||
|
|
w = ow * (h/oh);
|
||
|
|
w = Math.min(Math.max(mw, w), mxw);
|
||
|
|
h = oh * (w/ow);
|
||
|
|
x += (tw - w) / 2;
|
||
|
|
break;
|
||
|
|
case 'southwest':
|
||
|
|
h = oh * (w/ow);
|
||
|
|
h = Math.min(Math.max(mh, h), mxh);
|
||
|
|
var tw = w;
|
||
|
|
w = ow * (h/oh);
|
||
|
|
x += tw - w;
|
||
|
|
break;
|
||
|
|
case 'west':
|
||
|
|
var th = h;
|
||
|
|
h = oh * (w/ow);
|
||
|
|
h = Math.min(Math.max(mh, h), mxh);
|
||
|
|
y += (th - h) / 2;
|
||
|
|
var tw = w;
|
||
|
|
w = ow * (h/oh);
|
||
|
|
x += tw - w;
|
||
|
|
break;
|
||
|
|
case 'northwest':
|
||
|
|
var tw = w;
|
||
|
|
var th = h;
|
||
|
|
h = oh * (w/ow);
|
||
|
|
h = Math.min(Math.max(mh, h), mxh);
|
||
|
|
w = ow * (h/oh);
|
||
|
|
y += th - h;
|
||
|
|
x += tw - w;
|
||
|
|
break;
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
this.proxy.setBounds(x, y, w, h);
|
||
|
|
if(this.dynamic){
|
||
|
|
this.resizeElement();
|
||
|
|
}
|
||
|
|
}catch(e){}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
handleOver : function(){
|
||
|
|
if(this.enabled){
|
||
|
|
this.el.addClass('yresizable-over');
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
handleOut : function(){
|
||
|
|
if(!this.resizing){
|
||
|
|
this.el.removeClass('yresizable-over');
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the element this component is bound to.
|
||
|
|
* @return {YAHOO.ext.Element}
|
||
|
|
*/
|
||
|
|
getEl : function(){
|
||
|
|
return this.el;
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the resizeChild element (or null).
|
||
|
|
* @return {YAHOO.ext.Element}
|
||
|
|
*/
|
||
|
|
getResizeChild : function(){
|
||
|
|
return this.resizeChild;
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Destroys this resizable. If the element was wrapped and
|
||
|
|
* removeEl is not true then the wrap remains.
|
||
|
|
* @param {Boolean} removeEl (optional) true to remove the element from the DOM
|
||
|
|
*/
|
||
|
|
destroy : function(removeEl){
|
||
|
|
this.proxy.remove();
|
||
|
|
this.overlay.removeAllListeners();
|
||
|
|
this.overlay.remove();
|
||
|
|
var ps = YAHOO.ext.Resizable.positions;
|
||
|
|
for(var k in ps){
|
||
|
|
if(typeof ps[k] != 'function' && this[ps[k]]){
|
||
|
|
var h = this[ps[k]];
|
||
|
|
h.el.removeAllListeners();
|
||
|
|
h.el.remove();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if(removeEl){
|
||
|
|
this.el.update('');
|
||
|
|
this.el.remove();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
// hash to map config positions to true positions
|
||
|
|
YAHOO.ext.Resizable.positions = {
|
||
|
|
n: 'north', s: 'south', e: 'east', w: 'west', se: 'southeast', sw: 'southwest', nw: 'northwest', ne: 'northeast'
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
YAHOO.ext.Resizable.Handle = function(rz, pos, disableTrackOver, transparent){
|
||
|
|
if(!this.tpl){
|
||
|
|
// only initialize the template if resizable is used
|
||
|
|
var tpl = YAHOO.ext.DomHelper.createTemplate(
|
||
|
|
{tag: 'div', cls: 'yresizable-handle yresizable-handle-{0}', html: ' '}
|
||
|
|
);
|
||
|
|
tpl.compile();
|
||
|
|
YAHOO.ext.Resizable.Handle.prototype.tpl = tpl;
|
||
|
|
}
|
||
|
|
this.position = pos;
|
||
|
|
this.rz = rz;
|
||
|
|
this.el = this.tpl.append(rz.el.dom, [this.position], true);
|
||
|
|
this.el.unselectable();
|
||
|
|
if(transparent){
|
||
|
|
this.el.setOpacity(0);
|
||
|
|
}
|
||
|
|
this.el.mon('mousedown', this.onMouseDown, this, true);
|
||
|
|
if(!disableTrackOver){
|
||
|
|
this.el.mon('mouseover', this.onMouseOver, this, true);
|
||
|
|
this.el.mon('mouseout', this.onMouseOut, this, true);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
YAHOO.ext.Resizable.Handle.prototype = {
|
||
|
|
afterResize : function(rz){
|
||
|
|
// do nothing
|
||
|
|
},
|
||
|
|
|
||
|
|
onMouseDown : function(e){
|
||
|
|
this.rz.onMouseDown(this, e);
|
||
|
|
},
|
||
|
|
|
||
|
|
onMouseOver : function(e){
|
||
|
|
this.rz.handleOver(this, e);
|
||
|
|
},
|
||
|
|
|
||
|
|
onMouseOut : function(e){
|
||
|
|
this.rz.handleOut(this, e);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|