simpletimelayout.lzx

<library>
<class name="simpletimelayout" extends="layout">
    <attribute name="enabled" value="true" setter="setEnabled(enabled)"/>
    <attribute name="viewheight" value="22"/>

    <method name="setEnabled" args="e">
        if ( typeof( this['enabled'] ) == "undefined" ){
            this.enabled = true;
        }
        if ( this.enabled == e ) return;
        //careful -- calling enable() on an enabled delegate will hose it
        this.enabled=e;
        if ( this.enabled ) {
            this.updateDelegate.enable();
            this.update(true);
       } else this.updateDelegate.disable();
    </method>

    <method name="addSubview" args="newsub"> 
        this.updateDelegate.register( newsub,  "onstartTime" );
        super.addSubview( newsub );
        if (this.enabled) this.update( true );
        
    </method>

    <method name="reset" args="e=null">
        this.update( true );
    </method>

    <method name="update" args="force=null">
        
        var sv = this.subviews;
        if ( this.locked || this.enabled!=true ) return;
        if ( sv.length < 2 && !force ) return;

        this.locked = true;

        var l = this.subviews.length - 1;
        var c = 0;
        var i =0;
        var tmp;
        var changed = force;


        //use insertion sort; assume it's usually in correct order
        while( i < l ){
            if ( sv[ i ]['startTime'] > sv[ i + 1 ]['startTime'] ){
                changed = true;
                tmp = sv[ i+1 ];
                sv[ i +1 ] = sv[i];
                sv[ i ] = tmp;
                if ( i > 0 ) i--
            } else {
                i++
            }
        }

        if ( changed ){
            var c = 0;
            for(var i=0; i <= l; i++) {
                var s = sv[i];
                s.setAttribute('y', c );
                c += s.height;
            }
        }

        this.locked = false;
        super.update();
        
    </method>

</class>

</library>
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<!-- @LZX_VERSION@                                                         -->