/** Helper method to configure the given wrapper canvas. */
protected mxGraphicsCanvas2D configureCanvas(
mxGraphics2DCanvas canvas, mxCellState state, mxGraphicsCanvas2D c) {
c.setShadow(hasShadow(canvas, state));
c.setStrokeColor(
mxUtils.getString(state.getStyle(), mxConstants.STYLE_STROKECOLOR, mxConstants.NONE));
c.setStrokeWidth(mxUtils.getInt(state.getStyle(), mxConstants.STYLE_STROKEWIDTH, 1));
c.setDashed(mxUtils.isTrue(state.getStyle(), mxConstants.STYLE_DASHED, false));
String fill =
mxUtils.getString(state.getStyle(), mxConstants.STYLE_FILLCOLOR, mxConstants.NONE);
String gradient =
mxUtils.getString(state.getStyle(), mxConstants.STYLE_GRADIENTCOLOR, mxConstants.NONE);
if (!mxConstants.NONE.equals(fill) && !mxConstants.NONE.equals(gradient)) {
mxRectangle b = getGradientBounds(canvas, state);
c.setGradient(
fill,
gradient,
b.getX(),
b.getY(),
b.getWidth(),
b.getHeight(),
mxUtils.getString(
state.getStyle(), mxConstants.STYLE_GRADIENT_DIRECTION, mxConstants.DIRECTION_NORTH),
1,
1);
} else {
c.setFillColor(fill);
}
return c;
}
protected TreeNode createNode(Object cell) {
TreeNode node = new TreeNode(cell);
mxRectangle geo = getVertexBounds(cell);
if (geo != null) {
if (horizontal) {
node.width = geo.getHeight();
node.height = geo.getWidth();
} else {
node.width = geo.getWidth();
node.height = geo.getHeight();
}
}
return node;
}
/**
* Allocate a superBlock
*
* @param parentGraph the base graph
* @param selection the selected blocks
* @return the allocated super block (without specific listeners)
*/
private SuperBlock allocateSuperBlock(final XcosDiagram parentGraph, final Object[] selection) {
final SuperBlock superBlock = (SuperBlock) BlockFactory.createBlock(INTERFUNCTION_NAME);
superBlock.setStyle(INTERFUNCTION_NAME);
/*
* Allocate the diagram
*/
final SuperBlockDiagram diag = new SuperBlockDiagram(superBlock);
superBlock.setChild(diag);
superBlock.setParentDiagram(parentGraph);
/*
* Place the super block
*/
final mxRectangle dims = parentGraph.getBoundingBoxFromGeometry(selection);
final double minX = dims.getX();
final double maxX = minX + dims.getWidth();
final double minY = dims.getY();
final double maxY = minY + dims.getHeight();
superBlock.getGeometry().setX((maxX + minX - superBlock.getGeometry().getWidth()) / 2.0);
superBlock.getGeometry().setY((maxY + minY - superBlock.getGeometry().getHeight()) / 2.0);
/*
* get statistics
*/
int angleCounter = 0;
int flipCounter = 0;
int mirrorCounter = 0;
for (Object object : selection) {
if (object instanceof BasicBlock) {
final BasicBlock b = (BasicBlock) object;
angleCounter += b.getAngle();
if (b.getFlip()) {
flipCounter++;
}
if (b.getMirror()) {
mirrorCounter++;
}
}
}
/*
* apply statistics
*/
final int halfSize = selection.length / 2;
superBlock.setAngle(BlockPositioning.roundAngle(angleCounter / selection.length));
superBlock.setFlip(flipCounter > halfSize);
superBlock.setMirror(mirrorCounter > halfSize);
return superBlock;
}
protected mxRectangle apply(TreeNode node, mxRectangle bounds) {
mxRectangle g = graph.getModel().getGeometry(node.cell);
if (node.cell != null && g != null) {
if (isVertexMovable(node.cell)) {
g = setVertexLocation(node.cell, node.x, node.y);
}
if (bounds == null) {
bounds = new mxRectangle(g.getX(), g.getY(), g.getWidth(), g.getHeight());
} else {
bounds =
new mxRectangle(
Math.min(bounds.getX(), g.getX()),
Math.min(bounds.getY(), g.getY()),
Math.max(bounds.getX() + bounds.getWidth(), g.getX() + g.getWidth()),
Math.max(bounds.getY() + bounds.getHeight(), g.getY() + g.getHeight()));
}
}
return bounds;
}
/**
* Implements <mxGraphLayout.execute>.
*
* <p>If the parent has any connected edges, then it is used as the root of the tree. Else,
* <mxGraph.findTreeRoots> will be used to find a suitable root node within the set of children of
* the given parent.
*/
public void execute(Object parent, Object root) {
mxIGraphModel model = graph.getModel();
if (root == null) {
// Takes the parent as the root if it has outgoing edges
if (graph.getEdges(parent, model.getParent(parent), invert, !invert, false).length > 0) {
root = parent;
}
// Tries to find a suitable root in the parent's
// children
else {
List<Object> roots = graph.findTreeRoots(parent, true, invert);
if (roots != null && roots.size() > 0) {
for (int i = 0; i < roots.size(); i++) {
if (!isVertexIgnored(roots.get(i))
&& graph.getEdges(roots.get(i), null, invert, !invert, false).length > 0) {
root = roots.get(i);
break;
}
}
}
}
}
if (root != null) {
parent = model.getParent(root);
model.beginUpdate();
try {
TreeNode node = dfs(root, parent, null);
if (node != null) {
layout(node);
double x0 = graph.getGridSize();
double y0 = x0;
if (!moveTree || model.getParent(parent) == model.getRoot()) {
mxGeometry g = model.getGeometry(root);
if (g != null) {
x0 = g.getX();
y0 = g.getY();
}
}
mxRectangle bounds = null;
if (horizontal) {
bounds = horizontalLayout(node, x0, y0, null);
} else {
bounds = verticalLayout(node, null, x0, y0, null);
}
if (bounds != null) {
double dx = 0;
double dy = 0;
if (bounds.getX() < 0) {
dx = Math.abs(x0 - bounds.getX());
}
if (bounds.getY() < 0) {
dy = Math.abs(y0 - bounds.getY());
}
if (parent != null) {
mxRectangle size = graph.getStartSize(parent);
dx += size.getWidth();
dy += size.getHeight();
// Resize parent swimlane
if (resizeParent && !graph.isCellCollapsed(parent)) {
mxGeometry g = model.getGeometry(parent);
if (g != null) {
double width = bounds.getWidth() + size.getWidth() - bounds.getX() + 2 * x0;
double height = bounds.getHeight() + size.getHeight() - bounds.getY() + 2 * y0;
g = (mxGeometry) g.clone();
if (g.getWidth() > width) {
dx += (g.getWidth() - width) / 2;
} else {
g.setWidth(width);
}
if (g.getHeight() > height) {
if (horizontal) {
dy += (g.getHeight() - height) / 2;
}
} else {
g.setHeight(height);
}
model.setGeometry(parent, g);
}
}
}
moveNode(node, dx, dy);
}
}
} finally {
model.endUpdate();
}
}
}
public mxRectangle relativizeRectangleToThisState(mxRectangle r, double s, mxPoint tr) {
// r is not normalized to the scale
return new mxRectangle(
(r.getX() - getX()) / s, (r.getY() - getY()) / s, r.getWidth() / s, r.getHeight() / s);
}