1 files changed, 229 insertions, 0 deletions
diff --git a/extraplugins/diagram-definition/org.eclipse.papyrus.umldi2dg/scripts/umllayouts.js b/extraplugins/diagram-definition/org.eclipse.papyrus.umldi2dg/scripts/umllayouts.js
new file mode 100644
index 00000000000..500c4ac3c95
--- /dev/null
+++ b/extraplugins/diagram-definition/org.eclipse.papyrus.umldi2dg/scripts/umllayouts.js
@@ -0,0 +1,229 @@
+/**
+ * Copyright (c) 2014 CEA LIST.
+ *  
+ * 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:
+ *  CEA LIST - Initial API and implementation
+ */
+
+function xyLayout(parent) {
+	var children = getChildren(parent);
+	var n = children.length;
+	for (var i=0; i<n; i++) {
+		var child = children[i];
+		var x = +child.getAttribute("x");
+		var y = +child.getAttribute("y");
+		var width = +child.getAttribute("width");
+		var height = +child.getAttribute("height");
+		var prefSize = getPreferredSize(child);
+		width = Math.max(width, prefSize.width);
+		height = Math.max(height, prefSize.height);
+		setBounds(child, x, y, width, height);
+	}
+}
+
+function getPreferredSize_xyLayout(parent) {
+	var bounds = new Rectangle(0, 0, 0, 0);
+	var children = getChildren(parent);
+	for (var i=0; i<children.length; i++) {
+		var childBounds = getBounds(children[i]);
+		var prefSize = getPreferredSize(children[i]);
+		childBounds.width = Math.max(childBounds.width, prefSize.width);
+		childBounds.height = Math.max(childBounds.height, prefSize.height);
+		var right = Math.max(bounds.x + bounds.width, childBounds.x + childBounds.width);
+		var bottom = Math.max(bounds.y + bounds.height, childBounds.y + childBounds.height);
+		bounds.x = Math.max(bounds.x, childBounds.x);
+		bounds.y = Math.max(bounds.y, childBounds.y);
+		bounds.width = right - bounds.x;
+		bounds.height = bottom - bounds.y;
+	}
+	return new Dimension(bounds.width, bounds.height);
+}
+
+function stackLayout(parent) {
+	var x = +parent.getAttribute("x");
+	var y = +parent.getAttribute("y");
+	var width = +parent.getAttribute("width");
+	var height = +parent.getAttribute("height");
+	
+	if (parent.tagName == "svg") {
+		x = 0;
+		y = 0;
+	}
+
+	var children = getChildren(parent);
+	var n = children.length;
+	for (var i=0; i<n; i++) {
+		setBounds(children[i], x, y, width, height);
+	}
+}
+
+function getPreferredSize_stackLayout(parent) {
+	var prefSize = new Dimension(0, 0);
+	var children = getChildren(parent);
+	for (var i=0; i<children.length; i++) {
+		var childSize = getPreferredSize(children[i]);
+		prefSize.width = Math.max(prefSize.width, childSize.width);
+		prefSize.height = Math.max(prefSize.height, childSize.height);
+	}
+	return prefSize;
+}
+
+function flowLayout(parent, horizontal, insets) {
+	var x = +parent.getAttribute("x")+insets;
+	var y = +parent.getAttribute("y")+insets;
+	var width = +parent.getAttribute("width")-2*insets;
+	var height = +parent.getAttribute("height")-2*insets;
+
+	if (parent.tagName == "svg") {
+		x = 0;
+		y = 0;
+	}
+
+    var children = getChildren(parent);
+	var n = children.length;
+	for (var i=0; i<n; i++) {
+		var prefSize = getPreferredSize(children[i]);
+		if (horizontal) {
+			var childWidth = prefSize.width;
+			setBounds(children[i], x, y, childWidth, height);
+			x += childWidth;
+		} else {
+			var childHeight = prefSize.height;
+			setBounds(children[i], x, y, width, childHeight);
+			y += childHeight;
+		}
+	}
+}
+
+function getPreferredSize_flowLayout(parent, horizontal) {
+	var prefSize = new Dimension(0, 0);
+	var children = getChildren(parent);
+	for (var i=0; i<children.length; i++) {
+		var childSize = getPreferredSize(children[i]);
+		if (horizontal) {
+			prefSize.width += childSize.width;
+			prefSize.height = Math.max(prefSize.height, childSize.height);
+		} else {
+			prefSize.width = Math.max(prefSize.width, childSize.width);
+			prefSize.height += childSize.height;
+		}
+	}
+	return prefSize;
+}
+
+function Rectangle(x, y, width, height) {
+	this.x = x;
+	this.y = y;
+	this.width = width;
+	this.height = height;
+}
+
+function Point(x, y) {
+	this.x = x;
+	this.y = y;
+}
+
+function Dimension(width, height) {
+	this.width = width;
+	this.height = height;
+}
+
+function getChildren(parent) {
+	var children = [];
+	var elements = parent.childNodes;
+	for (var i=0; i<elements.length; i++) {
+		var element = elements.item(i);
+		if (element.tagName != "script" && element.tagName != "defs" && element.nodeType != 3)
+			children.push(element);
+	}
+	return children;
+}
+
+function validate(parent) {
+	layout(parent);
+	var children = getChildren(parent);
+	for (var i=0; i<children.length; i++)
+		validate(children[i]);
+}
+
+function layout(parent) {
+	var lm = parent.getAttribute("layout");
+	if (lm != null && lm.length>0)
+		eval(lm);
+}
+
+function getPreferredSize(parent) {
+	var lm = parent.getAttribute("layout");
+	if (lm != null && lm.length>0) {
+		var prefSize = eval("getPreferredSize_"+lm);
+		return prefSize;
+	} 
+	var bbox = parent.getBBox();
+	return new Dimension(bbox.width, bbox.height);
+}
+
+function getBounds(element) {
+	var bbox = element.getBBox();
+	return new Rectangle(bbox.x, bbox.y, bbox.width, bbox.height);
+}
+
+function setBounds(element, x, y, width, height) {
+	
+	if (element.tagName == "rect")
+		setRectBounds(element, x, y, width, height);
+	else if (element.tagName == "svg")
+		setSvgBounds(element, x, y, width, height);
+	else if (element.tagName == "g")
+		setGBounds(element, x, y, width, height);
+	else if (element.tagName == "circle")
+		setCircleBounds(element, x, y, width, height);
+	else if (element.tagName == "text")
+		setTextBounds(element, x, y, width, height);
+}
+
+function setSvgBounds(element, x, y, width, height) {
+	element.setAttribute("x", x);
+	element.setAttribute("y", y);
+	element.setAttribute("width", width);
+	element.setAttribute("height", height);
+}
+
+function setGBounds(element, x, y, width, height) {
+	element.setAttribute("x", x);
+	element.setAttribute("y", y);
+	element.setAttribute("width", width);
+	element.setAttribute("height", height);
+}
+
+function setRectBounds(element, x, y, width, height) {
+	element.setAttribute("x", x+1);
+	element.setAttribute("y", y+1);
+	element.setAttribute("width", width-2);
+	element.setAttribute("height", height-2);
+}
+
+function setCircleBounds(element, x, y, width, height) {
+	element.setAttribute("cx", x+width/2);
+	element.setAttribute("cy", y+height/2);
+	if (width <= height)
+		element.setAttribute("r", width/2);
+	else
+		element.setAttribute("r", height/2);
+}
+
+function setTextBounds(element, x, y, width, height) {
+	var anchor = element.getAttribute("text-anchor");
+	if (anchor == "middle")
+		element.setAttribute("x", x+width/2);
+	else if (anchor == "end")
+		element.setAttribute("x", x+width);
+	else
+		element.setAttribute("x", x);
+	var bbox = element.getBBox();
+	element.setAttribute("y", y+bbox.height);
+}