Mercurial > projects > dwt-addons
diff dwtx/draw2d/graph/CompoundVerticalPlacement.d @ 98:95307ad235d9
Added Draw2d code, still work in progress
author | Frank Benoit <benoit@tionex.de> |
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date | Sun, 03 Aug 2008 00:52:14 +0200 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dwtx/draw2d/graph/CompoundVerticalPlacement.d Sun Aug 03 00:52:14 2008 +0200 @@ -0,0 +1,43 @@ +/******************************************************************************* + * Copyright (c) 2003, 2005 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + * Port to the D programming language: + * Frank Benoit <benoit@tionex.de> + *******************************************************************************/ +module dwtx.draw2d.graph.CompoundVerticalPlacement; + +import dwt.dwthelper.utils; +import dwtx.draw2d.graph.DirectedGraph; +import dwtx.draw2d.graph.VerticalPlacement; +import dwtx.draw2d.graph.CompoundDirectedGraph; +import dwtx.draw2d.graph.Subgraph; + +/** + * calculates the height and y-coordinates for nodes and subgraphs in a compound directed + * graph. + * @author Randy Hudson + * @since 2.1.2 + */ +class CompoundVerticalPlacement : VerticalPlacement { + +/** + * @see GraphVisitor#visit(DirectedGraph) + * Extended to set subgraph values. + */ +void visit(DirectedGraph dg) { + CompoundDirectedGraph g = cast(CompoundDirectedGraph)dg; + super.visit(g); + for (int i = 0; i < g.subgraphs.size(); i++) { + Subgraph s = cast(Subgraph)g.subgraphs.get(i); + s.y = s.head.y; + s.height = s.tail.height + s.tail.y - s.y; + } +} + +}