view release on metacpan or  search on metacpan

share/pkgs/ext-foundation-debug.js  view on Meta::CPAN

 @cfg {Boolean} stopDefault True to stop the default click event

 @history
    2007-02-02 jvs Original code contributed by Nige "Animal" White
    2007-02-02 jvs Renamed to ClickRepeater
    2007-02-03 jvs Modifications for FF Mac and Safari

 @constructor
 @param {Mixed} el The element to listen on
 @param {Object} config
 */
Ext.util.ClickRepeater = Ext.extend(Ext.util.Observable, {
    
    constructor : function(el, config){
        this.el = Ext.get(el);
        this.el.unselectable();

        Ext.apply(this, config);

        this.addEvents(
        /**
         * @event mousedown
         * Fires when the mouse button is depressed.
         * @param {Ext.util.ClickRepeater} this
         * @param {Ext.EventObject} e
         */
        "mousedown",
        /**
         * @event click
         * Fires on a specified interval during the time the element is pressed.
         * @param {Ext.util.ClickRepeater} this
         * @param {Ext.EventObject} e
         */
        "click",
        /**
         * @event mouseup
         * Fires when the mouse key is released.
         * @param {Ext.util.ClickRepeater} this
         * @param {Ext.EventObject} e
         */
        "mouseup"
        );

        if(!this.disabled){
            this.disabled = true;
            this.enable();
        }

        // allow inline handler
        if(this.handler){
            this.on("click", this.handler,  this.scope || this);
        }

        Ext.util.ClickRepeater.superclass.constructor.call(this);        
    },
    
    interval : 20,
    delay: 250,
    preventDefault : true,
    stopDefault : false,
    timer : 0,

    /**
     * Enables the repeater and allows events to fire.
     */
    enable: function(){
        if(this.disabled){
            this.el.on('mousedown', this.handleMouseDown, this);
            if (Ext.isIE){
                this.el.on('dblclick', this.handleDblClick, this);
            }
            if(this.preventDefault || this.stopDefault){
                this.el.on('click', this.eventOptions, this);
            }
        }
        this.disabled = false;
    },

    /**
     * Disables the repeater and stops events from firing.
     */
    disable: function(/* private */ force){
        if(force || !this.disabled){
            clearTimeout(this.timer);
            if(this.pressClass){
                this.el.removeClass(this.pressClass);
            }
            Ext.getDoc().un('mouseup', this.handleMouseUp, this);
            this.el.removeAllListeners();
        }
        this.disabled = true;
    },

    /**
     * Convenience function for setting disabled/enabled by boolean.
     * @param {Boolean} disabled
     */
    setDisabled: function(disabled){
        this[disabled ? 'disable' : 'enable']();
    },

    eventOptions: function(e){
        if(this.preventDefault){
            e.preventDefault();
        }
        if(this.stopDefault){
            e.stopEvent();
        }
    },

    // private
    destroy : function() {
        this.disable(true);
        Ext.destroy(this.el);
        this.purgeListeners();
    },

    handleDblClick : function(e){
        clearTimeout(this.timer);
        this.el.blur();

        this.fireEvent("mousedown", this, e);
        this.fireEvent("click", this, e);
    },

    // private
    handleMouseDown : function(e){
        clearTimeout(this.timer);
        this.el.blur();
        if(this.pressClass){
            this.el.addClass(this.pressClass);
        }
        this.mousedownTime = new Date();

        Ext.getDoc().on("mouseup", this.handleMouseUp, this);
        this.el.on("mouseout", this.handleMouseOut, this);

        this.fireEvent("mousedown", this, e);
        this.fireEvent("click", this, e);

        // Do not honor delay or interval if acceleration wanted.
        if (this.accelerate) {
            this.delay = 400;
        }
        this.timer = this.click.defer(this.delay || this.interval, this, [e]);
    },

    // private
    click : function(e){
        this.fireEvent("click", this, e);
        this.timer = this.click.defer(this.accelerate ?
            this.easeOutExpo(this.mousedownTime.getElapsed(),
                400,
                -390,
                12000) :
            this.interval, this, [e]);
    },

    easeOutExpo : function (t, b, c, d) {
        return (t==d) ? b+c : c * (-Math.pow(2, -10 * t/d) + 1) + b;
    },

    // private
    handleMouseOut : function(){
        clearTimeout(this.timer);
        if(this.pressClass){
            this.el.removeClass(this.pressClass);
        }
        this.el.on("mouseover", this.handleMouseReturn, this);
    },

    // private
    handleMouseReturn : function(){
        this.el.un("mouseover", this.handleMouseReturn, this);
        if(this.pressClass){
            this.el.addClass(this.pressClass);
        }
        this.click();
    },

    // private
    handleMouseUp : function(e){
        clearTimeout(this.timer);
        this.el.un("mouseover", this.handleMouseReturn, this);
        this.el.un("mouseout", this.handleMouseOut, this);
        Ext.getDoc().un("mouseup", this.handleMouseUp, this);
        this.el.removeClass(this.pressClass);
        this.fireEvent("mouseup", this, e);
    }
});/**
 * @class Ext.KeyNav
 * <p>Provides a convenient wrapper for normalized keyboard navigation.  KeyNav allows you to bind
 * navigation keys to function calls that will get called when the keys are pressed, providing an easy
 * way to implement custom navigation schemes for any UI component.</p>
 * <p>The following are all of the possible keys that can be implemented: enter, left, right, up, down, tab, esc,
 * pageUp, pageDown, del, home, end.  Usage:</p>
 <pre><code>
var nav = new Ext.KeyNav("my-element", {
    "left" : function(e){
        this.moveLeft(e.ctrlKey);
    },
    "right" : function(e){
        this.moveRight(e.ctrlKey);
    },
    "enter" : function(e){
        this.save();
    },
    scope : this
});
</code></pre>
 * @constructor
 * @param {Mixed} el The element to bind to
 * @param {Object} config The config
 */
Ext.KeyNav = function(el, config){
    this.el = Ext.get(el);
    Ext.apply(this, config);
    if(!this.disabled){
        this.disabled = true;
        this.enable();
    }
};

Ext.KeyNav.prototype = {
    /**
     * @cfg {Boolean} disabled
     * True to disable this KeyNav instance (defaults to false)
     */
    disabled : false,
    /**
     * @cfg {String} defaultEventAction
     * The method to call on the {@link Ext.EventObject} after this KeyNav intercepts a key.  Valid values are
     * {@link Ext.EventObject#stopEvent}, {@link Ext.EventObject#preventDefault} and
     * {@link Ext.EventObject#stopPropagation} (defaults to 'stopEvent')
     */
    defaultEventAction: "stopEvent",
    /**
     * @cfg {Boolean} forceKeyDown
     * Handle the keydown event instead of keypress (defaults to false).  KeyNav automatically does this for IE since
     * IE does not propagate special keys on keypress, but setting this to true will force other browsers to also
     * handle keydown instead of keypress.
     */
    forceKeyDown : false,