/** Determine if not can grow due to localization or not. */
public boolean fixedWidth() {
String width = mNode.getAttributeNS(ANDROID_URI, ATTR_LAYOUT_WIDTH);
if (width.equals(VALUE_WRAP_CONTENT)) {
// First check child nodes. If at least one of them is not
// fixed-width,
// treat whole layout as non-fixed-width
NodeList childNodes = mNode.getChildNodes();
for (int i = 0; i < childNodes.getLength(); i++) {
Node child = childNodes.item(i);
if (child.getNodeType() == Node.ELEMENT_NODE) {
LayoutNode childLayout = new LayoutNode((Element) child, i);
if (!childLayout.fixedWidth()) {
return false;
}
}
}
// If node contains text attribute, consider it fixed-width if
// text is hard-coded, otherwise it is not fixed-width.
String text = mNode.getAttributeNS(ANDROID_URI, ATTR_TEXT);
if (!text.isEmpty()) {
return !text.startsWith(PREFIX_RESOURCE_REF) && !text.startsWith(PREFIX_THEME_REF);
}
String nodeName = mNode.getTagName();
if (nodeName.contains("Image")
|| nodeName.contains("Progress")
|| nodeName.contains("Radio")) {
return true;
} else if (nodeName.contains("Button") || nodeName.contains("Text")) {
return false;
}
}
return true;
}
/** Draws the panel. */
public void paintComponent(Graphics g) {
super.paintComponent(g);
Log.setTrace(true);
// Log.trace(this, getBounds().toString());
// Log.trace(this, getInsets().toString());
// respect borders
Insets insets = getInsets();
Rectangle r = getBounds();
r.x += insets.left;
r.y += insets.top;
r.width -= insets.left + insets.right;
r.height -= insets.top + insets.bottom;
// System.out.println("paintComponent" + count++);
g.setColor(Color.black);
DirectedGraph<LayoutNode, DirectedEdge<LayoutNode>> graph = fLayout.graph();
// draw edges
Iterator<DirectedEdge<LayoutNode>> edgeIter = graph.edgeIterator();
while (edgeIter.hasNext()) {
DirectedEdge<LayoutNode> edge = edgeIter.next();
// Log.trace(this, edge.toString());
LayoutNode source = (LayoutNode) edge.source();
LayoutNode target = (LayoutNode) edge.target();
int x1 = source.getX() * 80 + 30;
int y1 = 50 + source.fLayer * 50;
// if (source.isDummy() )
// x1 += 5;
int x2 = target.getX() * 80 + 30;
int y2 = 50 + target.fLayer * 50;
// if (target.isDummy() )
// x2 += 5;
g.drawLine(x1, y1, x2, y2);
}
// draw nodes
Iterator<LayoutNode> nodeIter = graph.iterator();
while (nodeIter.hasNext()) {
LayoutNode node = nodeIter.next();
if (node.isDummy()) continue;
int x = node.getX() * 80 + 30;
int y = 50 + node.fLayer * 50;
g.setColor(Color.white);
g.fillRect(x - 10, y - 10, 20, 20);
g.setColor(Color.black);
g.drawRect(x - 10, y - 10, 20, 20);
g.drawString(node.toString(), x - 7, y + 8);
}
}
@NonNull
public Set<LayoutNode> canGrowRight() {
Set<LayoutNode> nodes;
if (mToLeft != null) {
nodes = mToLeft.canGrowRight();
} else {
nodes = new LinkedHashSet<LayoutNode>();
}
if (!fixedWidth()) {
nodes.add(this);
}
return nodes;
}
@Override
public void containerLayoutChanged(PropertyChangeEvent ev) throws PropertyVetoException {
if (ev != null && ev.getPropertyName() != null) {
layoutDelegate.acceptContainerLayoutChange(ev);
FormModel formModel = radContainer.getFormModel();
formModel.fireContainerLayoutChanged(
radContainer, ev.getPropertyName(), ev.getOldValue(), ev.getNewValue());
} else {
propertySets = null;
}
LayoutNode node = radContainer.getLayoutNodeReference();
if (node != null) {
// propagate the change to node
if (ev != null && ev.getPropertyName() != null) {
node.fireLayoutPropertiesChange();
} else {
node.fireLayoutPropertySetsChange();
}
}
}
@Override
public void visitElement(@NonNull XmlContext context, @NonNull Element element) {
// Traverse all child elements
NodeList childNodes = element.getChildNodes();
int count = childNodes.getLength();
Map<String, LayoutNode> nodes = Maps.newHashMap();
for (int i = 0; i < count; i++) {
Node node = childNodes.item(i);
if (node.getNodeType() == Node.ELEMENT_NODE) {
LayoutNode ln = new LayoutNode((Element) node, i);
nodes.put(ln.getNodeId(), ln);
}
}
// Node map is populated, recalculate nodes sizes
for (LayoutNode ln : nodes.values()) {
ln.processNode(nodes);
}
for (LayoutNode right : nodes.values()) {
if (!right.mLastLeft || right.skip()) {
continue;
}
Set<LayoutNode> canGrowLeft = right.canGrowLeft();
for (LayoutNode left : nodes.values()) {
if (left == right || !left.mLastRight || left.skip() || !left.sameBucket(right)) {
continue;
}
Set<LayoutNode> canGrowRight = left.canGrowRight();
if (canGrowLeft.size() > 0 || canGrowRight.size() > 0) {
canGrowRight.addAll(canGrowLeft);
LayoutNode nodeToBlame = right;
LayoutNode otherNode = left;
if (!canGrowRight.contains(right) && canGrowRight.contains(left)) {
nodeToBlame = left;
otherNode = right;
}
context.report(
ISSUE,
nodeToBlame.getNode(),
context.getLocation(nodeToBlame.getNode()),
String.format(
"`%1$s` can overlap `%2$s` if %3$s %4$s due to localized text expansion",
nodeToBlame.getNodeId(),
otherNode.getNodeId(),
Joiner.on(", ").join(canGrowRight),
canGrowRight.size() > 1 ? "grow" : "grows"));
}
}
}
}
/**
* Process a node of a layout. Put it into one of three processing units and determine its right
* and left neighbours.
*/
public void processNode(@NonNull Map<String, LayoutNode> nodes) {
if (mProcessed) {
return;
}
mProcessed = true;
if (isInvisible()
|| hasAttr(ATTR_LAYOUT_ALIGN_RIGHT)
|| hasAttr(ATTR_LAYOUT_ALIGN_END)
|| hasAttr(ATTR_LAYOUT_ALIGN_LEFT)
|| hasAttr(ATTR_LAYOUT_ALIGN_START)) {
mBucket = Bucket.SKIP;
} else if (hasTrueAttr(ATTR_LAYOUT_ALIGN_PARENT_TOP)) {
mBucket = Bucket.TOP;
} else if (hasTrueAttr(ATTR_LAYOUT_ALIGN_PARENT_BOTTOM)) {
mBucket = Bucket.BOTTOM;
} else {
if (hasAttr(ATTR_LAYOUT_ABOVE) || hasAttr(ATTR_LAYOUT_BELOW)) {
mBucket = Bucket.SKIP;
} else {
String[] checkAlignment = {
ATTR_LAYOUT_ALIGN_TOP, ATTR_LAYOUT_ALIGN_BOTTOM, ATTR_LAYOUT_ALIGN_BASELINE
};
for (String alignment : checkAlignment) {
String value = mNode.getAttributeNS(ANDROID_URI, alignment);
if (!value.isEmpty()) {
LayoutNode otherNode = nodes.get(uniformId(value));
if (otherNode != null) {
otherNode.processNode(nodes);
mBucket = otherNode.mBucket;
}
}
}
}
}
if (mBucket == null) {
mBucket = Bucket.TOP;
}
// Check relative placement
mToLeft = findNodeByAttr(nodes, ATTR_LAYOUT_TO_START_OF);
if (mToLeft == null) {
mToLeft = findNodeByAttr(nodes, ATTR_LAYOUT_TO_LEFT_OF);
}
if (mToLeft != null) {
mToLeft.mLastLeft = false;
mLastRight = false;
}
mToRight = findNodeByAttr(nodes, ATTR_LAYOUT_TO_END_OF);
if (mToRight == null) {
mToRight = findNodeByAttr(nodes, ATTR_LAYOUT_TO_RIGHT_OF);
}
if (mToRight != null) {
mToRight.mLastLeft = false;
mLastRight = false;
}
if (hasTrueAttr(ATTR_LAYOUT_ALIGN_PARENT_END)
|| hasTrueAttr(ATTR_LAYOUT_ALIGN_PARENT_RIGHT)) {
mLastRight = false;
}
if (hasTrueAttr(ATTR_LAYOUT_ALIGN_PARENT_START)
|| hasTrueAttr(ATTR_LAYOUT_ALIGN_PARENT_LEFT)) {
mLastLeft = false;
}
if (mToLeft == null && mToRight == null && mLastRight && mLastLeft) {
mLastLeft = false;
}
}
