<@doc hierarchy="GMLDOM">
	Aspect for editing of Scenario layouts

	<copyright>(c) SAP AG 2003-2006. All rights reserved.</copyright>
</doc@>

Aspect Diagram for Layout;
// implement ILayoutable; // Uncomment when parser starts to support this

virtual property rootKey = 'root';

constructor(board, root)
	if (!board) throw new Error('#TEXT[XMSG_FAIL_DISPLAY_LAYOUT_BOARD]');

	this.id     = base.id;
	this.board  = board;  // board object (LayoutEditor object)

	if (!root) root = base[this.rootKey];
	var win = $DOM.createAspect('#NS[Layout]', root, board, this);
	if (!win) throw new Error('#TEXT[XMSG_FAIL_DISPLAY_LAYOUT_BOARD]');
    this.windowID = win.id;
end

destructor()
end

virtual method getParent()
    return null;
end

virtual method getWindow()
    return this.board.getWidget(this.windowID);
end

override virtual method paint(parentElement)
	return this.getWindow().paint(parentElement);
end

override virtual method repaint(attr)
	return this.getWindow().repaint(attr);
end

override virtual method applyLayout(focusWidget, operation, repaint)
    var win = this.getWindow();
	win.applyLayout(focusWidget, operation, repaint);
	win.isRendered = false;
	win.setResizePolicy({moveH: false, moveV: false, resizeH: true, resizeV: true, alignH: 1, alignV: 1});
	this.board.adjustGrid();
	return false;
end

override virtual method updateElements(operation, syncElems)
    try { this.getWindow().updateElements(operation, syncElems); }
	catch (e) { #LOG[2, 'Failed to updateElements for ' + (base.name||base.Class.name)]; }
end

override virtual method getContentRect()
	var rect = this.board.getClientRect();
	return {x: rect.x + 8, y: rect.y + 8, w: rect.w - 16, h: rect.h - 16};
end

virtual method getBoundingRect()
	var rect = this.getWindow().getRect();
	return {x: 0, y: 0, w: rect.w + 16, h: rect.h + 16};
end

override virtual method showGrid(flag)
    if (flag === undefined) flag = GETVAR('FORM_SHOW_GRID');
    var iChildren = RULE('getChildWidgets', this.getWindow().base);
    var board = this.board;
    for (var i in iChildren) showGridHelper(board.getWidget(i), flag);

    function showGridHelper(widget, flag) {
        if (!widget) return;
        if (widget.repaintRulers) widget.repaintRulers(flag);
        var jChildren = RULE('getChildWidgets', widget.base);
        for (var j in jChildren) showGridHelper(board.getWidget(j), flag);
    }
end

//////////////////////////////////////////////////////////////////
// LAYOUT EVENTS

<@doc>
   Fires when the user triggers a layout-related action.
   <param name="object" type="@gml:Element">The base object of the drawing element that was activated</param>
   <param name="detail:n">The action code (LYT_ACTIVATE)</param>
</doc@>
event onLayoutAction(object, detail);