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javascript/src/Runner.js  view on Meta::CPAN

    $application.exception( "JAVASCRIPT", EXs );
}

// commands -------------------------------------------------------------------

// Run one command.
// Returning 1 means we want to give up a timeslice
_.runCommand = function (command) {
    var methodName = command['methodName'];
    var nodeId     = command['nodeId'];
    var arg1       = command['arg1'];
    var arg2       = command['arg2'];
    var arg3       = command['arg3'];
    var rv         = 0;
    if (methodName == 'new') {
        if (arg1 == 'window')
            this.commandNewWindow(nodeId);
        else
            this.commandNewElement(nodeId, arg1, arg2, arg3);
    }
    else if (methodName == 'textnode' ) {
        this.commandNewTextNode( nodeId, arg1, arg2 );
    }
    else if (methodName == 'SID') {
        $application.setSID( nodeId );
    }
    else if (methodName == 'boot') {
        if( $status )
            $status.title( nodeId );
        this.booting = true;
        rv = 1;
    }
    else if ( methodName == 'bye' ) {
        this.commandByeElement(nodeId);
    }
    else if ( methodName == 'bye-textnode' ) {
        this.commandByeTextNode( nodeId , arg1 );
    }
    else if( methodName == 'set' ) {
        if ( !this.late && ( POEXUL_Runner.lateAttributes[arg1] || 
                        this.isLateCommand( command ) ) ) {
            // fb_log( 'late = ' + nodeId + "." + arg1 + "=" + arg2 );
            this.lateCommands.push(command);
        }
        else {
            rv = this.commandSetNode(nodeId, arg1, arg2);
        }
    }
    else if( methodName == 'remove' ) {
        this.commandRemoveAttribute(nodeId, arg1);
    }
    else if( methodName == 'method' ) {
        this.commandMethod(nodeId, arg1, arg2);
    }
    else if( methodName == 'javascript' ) {
        this.commandJavascript( arg1 );
    }
    else if( methodName == 'ERROR' ) {
        $application.crash( arg1 );
    }
    else if( methodName == 'cdata' ) {
        this.commandCDATA( nodeId, arg1, arg2 );
    }
    else if( methodName == 'style' ) {
        this.commandStyle( nodeId, arg1, arg2 );
    }
    else if( methodName == 'popup_window' ) {
        this.commandPopupWindow( nodeId, arg1 );
    }
    else if( methodName == 'close_window' ) {
        this.commandCloseWindow( nodeId );
    }
    else if( methodName == 'timeslice' ) {
        // fb_log( methodName );
        rv = 2;
    }
    else if( window.name ) {
        fb_log( window.name + ": Unknown command '" + methodName + "'" );
    }
    else {
        fb_log( "Unknown command '" + methodName + "'" );
    }
    return rv;
}

// ------------------------------------------------------------------
_.isLateCommand = function ( command ) {
    var nodeId     = command['nodeId'];
    var key        = command['arg1'];
    var element = this.newNodes[nodeId];
    if (!element) element = this.getNode(nodeId, 1);
    if (!element) return true;
    if( key == 'textNode' && element.nodeName == 'script' ) {
        return true;
    }
    if( key == 'value' && element.nodeName == 'search-list' ) {
        // fb_log( 'late value=' + command['arg2'] );
        return true;
    }
    return false;
}

// ------------------------------------------------------------------
_.commandNewWindow = function (nodeId) {
    this.windowId = nodeId;
}

// ------------------------------------------------------------------
_.commandNewElement = function (nodeId, tagName, parentId, index) { 
    try {
        var element = this.createElement(tagName, nodeId);
        element.setAttribute('_addAtIndex', index);
        this.newNodes[nodeId] = element;

        var parent = this.newNodes[parentId];
        if (parent)
            this.addElementAtIndex(parent, element);
        else {
            // New elements are added to existing nodes in one batch
            // in addNewNodes
            if( ! this.newNodeRoots[parentId] )
                this.newNodeRoots[parentId] = [];
            this.newNodeRoots[parentId].push( element );
        }

        if (tagName == 'listbox') {
            // onselect works but addEventListener( 'select' ) doesn't
            element.setAttribute( 'onselect', 
                                    '$application.fireEvent_Select(event);' );
            //element.addEventListener( 'select', 
            //         function (e) { alert( 'select' ); 
            //                $application.fireEvent_Select( e ) }, true );
        }
        else if (tagName == 'colorpicker') {
            element.setAttribute(
                'onselect',
                '$application.fireEvent_Pick({"targetId":"' +
                    element.id + '"})'
            );
        }
    } catch (e) {
        Throw(e,
            'Cannot create new node : [' + nodeId +
            ', ' + tagName + ', ' + parentId + ']'
        );
    }
}

// ------------------------------------------------------------------
_.commandCDATA = function ( nodeId, index, data ) { 
    try {
        var cdata = this.document.createCDATASection( data );

        var element = this.newNodes[nodeId];
        if (!element) element = this.getNode(nodeId);

        this.addElement( element, cdata, index );

        if( element.nodeName == 'script' &&
                element.getAttribute( 'type' ) == 'text/javascript' ) {
            this.lateCommands.push( { methodName: 'javascript', 
                                      nodeId: nodeId, 
                                      arg1: data 
                                  } );
        }
    } catch (e) {
        Throw(e,
                'Cannot create new CDATA: ' + nodeId +
                        '[' + index + ']=' + data 
            );
    }
}

// ------------------------------------------------------------------
_.commandStyle = function ( nodeId, property, value ) { 
    try {
        var element = this.newNodes[nodeId];
        if (!element) element = this.getNode(nodeId);

        //if( property != 'display' || value != 'none' || 
        //        nodeId == 'XUL-Details' ) 
        //          fb_log( nodeId + ".style."+property+"="+value );
        element.style[property] = value;
        if( property == 'display' && value == 'none' &&
                            element.tagName == 'groupbox' )
            this.clearGroupbox( element );        
    } catch (e) {
        Throw(e,
                'Cannot set style ' + nodeId + '.style.' + property + 
                                      '=' + value 
            );
    }
}

// ------------------------------------------------------------------
_.commandNewTextNode = function ( nodeId, index, text ) { 
    try {
        var tn = this.document.createTextNode( text );

        var element = this.newNodes[nodeId];
        if( !element ) 
            element = this.getNode(nodeId);
        if( index < 0 ) {
//            index = this.firstTextNode( element );
        }
        // fb_log( "Text node = %i", index );
        this.addElement( element, tn, index );
    } catch (e) {
        Throw(e,
                'Cannot create new TextNode: ' + nodeId +
                        '[' + index + ']=' + text 
            );
    }
}

// find the first textnode child
_.firstTextNode = function ( element ) {