/*
This file is part of Ext JS 3.4

Copyright (c) 2011-2013 Sencha Inc

Contact:  http://www.sencha.com/contact

GNU General Public License Usage
This file may be used under the terms of the GNU General Public License version 3.0 as
published by the Free Software Foundation and appearing in the file LICENSE included in the
packaging of this file.

Please review the following information to ensure the GNU General Public License version 3.0
requirements will be met: http://www.gnu.org/copyleft/gpl.html.

If you are unsure which license is appropriate for your use, please contact the sales department
at http://www.sencha.com/contact.

Build date: 2013-04-03 15:07:25
*/
/**
 * @class Ext.QuickTip
 * @extends Ext.ToolTip
 * @xtype quicktip
 * A specialized tooltip class for tooltips that can be specified in markup and automatically managed by the global
 * {@link Ext.QuickTips} instance.  See the QuickTips class header for additional usage details and examples.
 * @constructor
 * Create a new Tip
 * @param {Object} config The configuration options
 */
Ext.QuickTip = Ext.extend(Ext.ToolTip, {
    /**
     * @cfg {Mixed} target The target HTMLElement, Ext.Element or id to associate with this quicktip (defaults to the document).
     */
    /**
     * @cfg {Boolean} interceptTitles True to automatically use the element's DOM title value if available (defaults to false).
     */
    interceptTitles : false,

    // private
    tagConfig : {
        namespace : "ext",
        attribute : "qtip",
        width : "qwidth",
        target : "target",
        title : "qtitle",
        hide : "hide",
        cls : "qclass",
        align : "qalign",
        anchor : "anchor"
    },

    // private
    initComponent : function(){
        this.target = this.target || Ext.getDoc();
        this.targets = this.targets || {};
        Ext.QuickTip.superclass.initComponent.call(this);
    },

    /**
     * Configures a new quick tip instance and assigns it to a target element.  The following config values are
     * supported (for example usage, see the {@link Ext.QuickTips} class header):
     * <div class="mdetail-params"><ul>
     * <li>autoHide</li>
     * <li>cls</li>
     * <li>dismissDelay (overrides the singleton value)</li>
     * <li>target (required)</li>
     * <li>text (required)</li>
     * <li>title</li>
     * <li>width</li></ul></div>
     * @param {Object} config The config object
     */
    register : function(config){
        var cs = Ext.isArray(config) ? config : arguments;
        for(var i = 0, len = cs.length; i < len; i++){
            var c = cs[i];
            var target = c.target;
            if(target){
                if(Ext.isArray(target)){
                    for(var j = 0, jlen = target.length; j < jlen; j++){
                        this.targets[Ext.id(target[j])] = c;
                    }
                } else{
                    this.targets[Ext.id(target)] = c;
                }
            }
        }
    },

    /**
     * Removes this quick tip from its element and destroys it.
     * @param {String/HTMLElement/Element} el The element from which the quick tip is to be removed.
     */
    unregister : function(el){
        delete this.targets[Ext.id(el)];
    },
    
    /**
     * Hides a visible tip or cancels an impending show for a particular element.
     * @param {String/HTMLElement/Element} el The element that is the target of the tip.
     */
    cancelShow: function(el){
        var at = this.activeTarget;
        el = Ext.get(el).dom;
        if(this.isVisible()){
            if(at && at.el == el){
                this.hide();
            }
        }else if(at && at.el == el){
            this.clearTimer('show');
        }
    },
    
    getTipCfg: function(e) {
        var t = e.getTarget(), 
            ttp, 
            cfg;
        if(this.interceptTitles && t.title && Ext.isString(t.title)){
            ttp = t.title;
            t.qtip = ttp;
            t.removeAttribute("title");
            e.preventDefault();
        }else{
            cfg = this.tagConfig;
            ttp = t.qtip || Ext.fly(t).getAttribute(cfg.attribute, cfg.namespace);
        }
        return ttp;
    },

    // private
    onTargetOver : function(e){
        if(this.disabled){
            return;
        }
        this.targetXY = e.getXY();
        var t = e.getTarget();
        if(!t || t.nodeType !== 1 || t == document || t == document.body){
            return;
        }
        if(this.activeTarget && ((t == this.activeTarget.el) || Ext.fly(this.activeTarget.el).contains(t))){
            this.clearTimer('hide');
            this.show();
            return;
        }
        if(t && this.targets[t.id]){
            this.activeTarget = this.targets[t.id];
            this.activeTarget.el = t;
            this.anchor = this.activeTarget.anchor;
            if(this.anchor){
                this.anchorTarget = t;
            }
            this.delayShow();
            return;
        }
        var ttp, et = Ext.fly(t), cfg = this.tagConfig, ns = cfg.namespace;
        if(ttp = this.getTipCfg(e)){
            var autoHide = et.getAttribute(cfg.hide, ns);
            this.activeTarget = {
                el: t,
                text: ttp,
                width: et.getAttribute(cfg.width, ns),
                autoHide: autoHide != "user" && autoHide !== 'false',
                title: et.getAttribute(cfg.title, ns),
                cls: et.getAttribute(cfg.cls, ns),
                align: et.getAttribute(cfg.align, ns)
                
            };
            this.anchor = et.getAttribute(cfg.anchor, ns);
            if(this.anchor){
                this.anchorTarget = t;
            }
            this.delayShow();
        }
    },

    // private
    onTargetOut : function(e){

        // If moving within the current target, and it does not have a new tip, ignore the mouseout
        if (this.activeTarget && e.within(this.activeTarget.el) && !this.getTipCfg(e)) {
            return;
        }

        this.clearTimer('show');
        if(this.autoHide !== false){
            this.delayHide();
        }
    },

    // inherit docs
    showAt : function(xy){
        var t = this.activeTarget;
        if(t){
            if(!this.rendered){
                this.render(Ext.getBody());
                this.activeTarget = t;
            }
            if(t.width){
                this.setWidth(t.width);
                this.body.setWidth(this.adjustBodyWidth(t.width - this.getFrameWidth()));
                this.measureWidth = false;
            } else{
                this.measureWidth = true;
            }
            this.setTitle(t.title || '');
            this.body.update(t.text);
            this.autoHide = t.autoHide;
            this.dismissDelay = t.dismissDelay || this.dismissDelay;
            if(this.lastCls){
                this.el.removeClass(this.lastCls);
                delete this.lastCls;
            }
            if(t.cls){
                this.el.addClass(t.cls);
                this.lastCls = t.cls;
            }
            if(this.anchor){
                this.constrainPosition = false;
            }else if(t.align){ // TODO: this doesn't seem to work consistently
                xy = this.el.getAlignToXY(t.el, t.align);
                this.constrainPosition = false;
            }else{
                this.constrainPosition = true;
            }
        }
        Ext.QuickTip.superclass.showAt.call(this, xy);
    },

    // inherit docs
    hide: function(){
        delete this.activeTarget;
        Ext.QuickTip.superclass.hide.call(this);
    }
});
Ext.reg('quicktip', Ext.QuickTip);