<@doc alias="layout" hierarchy="GMLDOM">

	<copyright>(c) SAP AG 2003-2006. All rights reserved.</copyright>
</doc@>

// TODO: Implement this via Control's painting logic and remove this class!!
Aspect ChartViewLayout for Layout; inherit InteractorLayout;

constructor(board, parent)
	this.supercall();

	this.legend   = null;
	this.chart    = null;
end

override virtual method paint(parentElement)
	this.supercall();

	this.legend = this.createHtmlElement('DIV', null, null, this.contents);
	this.legend.style.cssText = 'position:absolute;top:0;left:0;width:100%;height:100%;background-color:transparent;"';

	this.chart = this.createHtmlElement('DIV', null, null, this.contents);
	this.chart.style.cssText = 'position:absolute;filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale)"';
end

override virtual method repaintContents(attr)
	var type  = LOWER(base.chartType);
	var style = LOWER(base.chartStyle.replace('*', '_'));
	var image = '#URL[~res:skins.neutral.images.chart_.gif]'.replace('.gif', type+'_'+style+'.gif');
	// We need try-catch here because chartType comes first (with incorrect style), then chartStyle comes
	try { this.chart.filters[0].src = image; }	catch (e) {}
	this.layoutContents();
end

override virtual method layoutContents(focusWidget, operation)
	var lg = base.legendPos, st = this.legend.style;
	var W = this.contents.offsetWidth, H = this.contents.offsetHeight, x1=10, x2=10, y1=10, y2=10;
	st.backgroundImage = 'url('+('#URL[~res:skins.neutral.images.legend_.gif]'.replace('.gif', lg+'.gif'))+')';
	st.backgroundRepeat = 'no-repeat';
	switch (lg) {
		case 'above': y1=20; st.backgroundPosition = 'center top';    break;
		case 'below': y2=20; st.backgroundPosition = 'center bottom'; break;
		case 'left':  x1=70; st.backgroundPosition = 'left center';   break;
		case 'right': x2=70; st.backgroundPosition = 'right center';  break;
		default:	  st.backgroundImage = 'none';  break;
	}

	var st = this.chart.style; st.left = x1; st.top = y1; st.width = MAX(W-x1-x2, 0); st.height = MAX(H-y1-y2, 0);
	return false;
end