public void readData(final Widget widget) {
// HttpServletRequest request = ContextProvider.getRequest();
// String parameter = request.getParameter( "JSON" );
// if( parameter != null ) {
// System.out.println( "#### BEGIN ####");
// System.out.println( parameter );
// System.out.println( "#### END ####");
// }
Shell shell = (Shell) widget;
// [if] Preserve the menu bounds before setting the new shell bounds.
preserveMenuBounds(shell);
// Important: Order matters, readMode() before readBounds()
readBounds(shell);
if (WidgetLCAUtil.wasEventSent(shell, JSConst.EVENT_SHELL_CLOSED)) {
shell.close();
}
processActiveShell(shell);
processActivate(shell);
ControlLCAUtil.processMouseEvents(shell);
ControlLCAUtil.processKeyEvents(shell);
ControlLCAUtil.processMenuDetect(shell);
WidgetLCAUtil.processHelp(shell);
}
private static void writeText(final Shell shell) throws IOException {
String text = shell.getText();
if (WidgetLCAUtil.hasChanged(shell, PROP_TEXT, text, "")) {
// JSWriter writer = JSWriter.getWriterFor( shell );
text = WidgetLCAUtil.escapeText(text, false);
// writer.set( JSConst.QX_FIELD_CAPTION, text );
IWidgetSynchronizer synchronizer = WidgetSynchronizerFactory.getSynchronizerForWidget(shell);
synchronizer.setWidgetProperty(JSConst.QX_FIELD_CAPTION, text);
}
}
private static void updateSelectionListener(final Tree tree) throws IOException {
Boolean newValue = Boolean.valueOf(SelectionEvent.hasListener(tree));
String prop = PROP_SELECTION_LISTENERS;
if (WidgetLCAUtil.hasChanged(tree, prop, newValue, Boolean.FALSE)) {
JSWriter writer = JSWriter.getWriterFor(tree);
writer.set("selectionListeners", newValue);
}
}
private static void writeClipBounds(final ScrolledComposite composite) throws IOException {
Rectangle bounds = composite.getBounds();
if (WidgetLCAUtil.hasChanged(composite, PROP_BOUNDS, bounds, null)) {
JSWriter writer = JSWriter.getWriterFor(composite);
writer.set("clipWidth", bounds.width);
writer.set("clipHeight", bounds.height);
}
}
private static void writeSelectionListener(final ScrolledComposite composite) throws IOException {
boolean hasListener = hasSelectionListener(composite);
Boolean newValue = Boolean.valueOf(hasListener);
String prop = Props.SELECTION_LISTENERS;
if (WidgetLCAUtil.hasChanged(composite, prop, newValue, Boolean.FALSE)) {
JSWriter writer = JSWriter.getWriterFor(composite);
writer.set("hasSelectionListener", newValue);
}
}
private static void writeShowFocusedControl(final ScrolledComposite composite)
throws IOException {
Boolean newValue = Boolean.valueOf(composite.getShowFocusedControl());
String prop = PROP_SHOW_FOCUSED_CONTROL;
if (WidgetLCAUtil.hasChanged(composite, prop, newValue, Boolean.FALSE)) {
JSWriter writer = JSWriter.getWriterFor(composite);
writer.set("showFocusedControl", newValue);
}
}
private void writeAlpha(final Shell shell) throws IOException {
int alpha = shell.getAlpha();
if (WidgetLCAUtil.hasChanged(shell, PROP_ALPHA, new Integer(alpha), new Integer(0xFF))) {
// JSWriter writer = JSWriter.getWriterFor( shell );
float opacity = (alpha & 0xFF) * 1000 / 0xFF / 1000.0f;
// writer.set( "opacity", opacity );
IWidgetSynchronizer synchronizer = WidgetSynchronizerFactory.getSynchronizerForWidget(shell);
synchronizer.setWidgetProperty("opacity", opacity);
}
}
private static void writeMode(final Shell shell) throws IOException {
Object defValue = null;
Object newValue = getMode(shell);
if (WidgetLCAUtil.hasChanged(shell, PROP_MODE, newValue, defValue)) {
// JSWriter writer = JSWriter.getWriterFor( shell );
// writer.set( "mode", newValue );
IWidgetSynchronizer synchronizer = WidgetSynchronizerFactory.getSynchronizerForWidget(shell);
synchronizer.setWidgetProperty("mode", newValue);
}
}
private static void writeFullScreen(final Shell shell) throws IOException {
Object defValue = Boolean.FALSE;
Boolean newValue = Boolean.valueOf(shell.getFullScreen());
if (WidgetLCAUtil.hasChanged(shell, PROP_FULLSCREEN, newValue, defValue)) {
// JSWriter writer = JSWriter.getWriterFor( shell );
// writer.set( "fullScreen", newValue );
IWidgetSynchronizer synchronizer = WidgetSynchronizerFactory.getSynchronizerForWidget(shell);
synchronizer.setWidgetProperty("fullScreen", newValue);
}
}
/* (intentionally non-JavaDoc'ed)
* This method is declared public only to be accessible from DisplayLCA
*/
public static void writeActiveControl(final Shell shell) throws IOException {
final Control activeControl = getActiveControl(shell);
String prop = PROP_ACTIVE_CONTROL;
if (WidgetLCAUtil.hasChanged(shell, prop, activeControl, null)) {
// JSWriter writer = JSWriter.getWriterFor( shell );
// writer.set( "activeControl", new Object[] { activeControl } );
IWidgetSynchronizer synchronizer = WidgetSynchronizerFactory.getSynchronizerForWidget(shell);
synchronizer.setWidgetProperty("activeControl", WidgetUtil.getId(activeControl));
}
}
private static void writeActiveShell(final Shell shell) throws IOException {
Shell activeShell = shell.getDisplay().getActiveShell();
boolean hasChanged = WidgetLCAUtil.hasChanged(shell, PROP_ACTIVE_SHELL, activeShell, null);
if (shell == activeShell && hasChanged) {
// JSWriter writer = JSWriter.getWriterFor( shell );
// writer.set( "active", true );
IWidgetSynchronizer synchronizer = WidgetSynchronizerFactory.getSynchronizerForWidget(shell);
synchronizer.setWidgetProperty("active", true);
}
}
public void renderChanges(final Widget widget) throws IOException {
Tree tree = (Tree) widget;
ControlLCAUtil.writeChanges(tree);
updateSelectionListener(tree);
writeHeaderHeight(tree);
writeHeaderVisible(tree);
writeColumnOrder(tree);
writeScrollLeft(tree);
writeOverflow(tree);
WidgetLCAUtil.writeCustomVariant(tree);
}
private static void writeOpen(final Shell shell) throws IOException {
// TODO [rst] workaround: qx window should be opened only once.
Boolean defValue = Boolean.FALSE;
Boolean actValue = Boolean.valueOf(shell.getVisible());
if (WidgetLCAUtil.hasChanged(shell, Props.VISIBLE, actValue, defValue) && shell.getVisible()) {
// JSWriter writer = JSWriter.getWriterFor( shell );
// writer.call( "open", null );
IWidgetSynchronizer synchronizer = WidgetSynchronizerFactory.getSynchronizerForWidget(shell);
synchronizer.call("open");
}
}
public void readData(final Widget widget) {
Tree tree = (Tree) widget;
readSelection(tree);
readScrollPosition(tree);
processWidgetSelectedEvent(tree);
processWidgetDefaultSelectedEvent(tree);
ControlLCAUtil.processMouseEvents(tree);
ControlLCAUtil.processKeyEvents(tree);
ControlLCAUtil.processMenuDetect(tree);
WidgetLCAUtil.processHelp(tree);
}
private static void writeMinimumSize(final Shell shell) throws IOException {
Point newValue = shell.getMinimumSize();
if (WidgetLCAUtil.hasChanged(shell, PROP_MINIMUM_SIZE, newValue)) {
// JSWriter writer = JSWriter.getWriterFor( shell );
// writer.set( "minWidth", new Integer( newValue.x ) );
// writer.set( "minHeight", new Integer( newValue.y ) );
IWidgetSynchronizer synchronizer = WidgetSynchronizerFactory.getSynchronizerForWidget(shell);
synchronizer.setWidgetProperty("minWidth", newValue.x);
synchronizer.setWidgetProperty("minHeight", newValue.y);
}
}
public void renderChanges(final Widget widget) throws IOException {
ScrolledComposite composite = (ScrolledComposite) widget;
ControlLCAUtil.writeChanges(composite);
writeClipBounds(composite);
// TODO [rh] initial positioning of the client-side scroll bar does not work
writeBarSelection(composite);
// [if] Order is important: writeScrollBars after writeBarSelection
writeScrollBars(composite);
writeSelectionListener(composite);
writeShowFocusedControl(composite);
WidgetLCAUtil.writeCustomVariant(composite);
}
private static void processWidgetDefaultSelectedEvent(final Tree tree) {
HttpServletRequest request = ContextProvider.getRequest();
String eventName = JSConst.EVENT_WIDGET_DEFAULT_SELECTED;
if (WidgetLCAUtil.wasEventSent(tree, eventName)) {
String itemId = request.getParameter(eventName + ".item");
Item treeItem = (Item) WidgetUtil.find(tree, itemId);
int eventType = SelectionEvent.WIDGET_DEFAULT_SELECTED;
SelectionEvent event = new SelectionEvent(tree, treeItem, eventType);
event.stateMask = EventLCAUtil.readStateMask(JSConst.EVENT_WIDGET_SELECTED_MODIFIER);
event.processEvent();
}
}
public void readData(final Widget widget) {
ScrolledComposite composite = (ScrolledComposite) widget;
Point origin = composite.getOrigin();
String value = WidgetLCAUtil.readPropertyValue(widget, PARAM_H_BAR_SELECTION);
ScrollBar hScroll = composite.getHorizontalBar();
if (value != null && hScroll != null) {
origin.x = Integer.parseInt(value);
processSelection(hScroll);
}
value = WidgetLCAUtil.readPropertyValue(widget, PARAM_V_BAR_SELECTION);
ScrollBar vScroll = composite.getVerticalBar();
if (value != null && vScroll != null) {
origin.y = Integer.parseInt(value);
processSelection(vScroll);
}
composite.setOrigin(origin);
ControlLCAUtil.processMouseEvents(composite);
ControlLCAUtil.processKeyEvents(composite);
ControlLCAUtil.processMenuDetect(composite);
WidgetLCAUtil.processHelp(composite);
}
private static void readScrollPosition(final Tree tree) {
String left = WidgetLCAUtil.readPropertyValue(tree, "scrollLeft");
String top = WidgetLCAUtil.readPropertyValue(tree, "scrollTop");
if (left != null && top != null) {
Object adapter = tree.getAdapter(ITreeAdapter.class);
final ITreeAdapter treeAdapter = (ITreeAdapter) adapter;
final int newScrollLeft = parsePosition(left);
final int newScrollTop = parsePosition(top);
final int oldScrollTop = treeAdapter.getScrollTop();
treeAdapter.setScrollLeft(newScrollLeft);
treeAdapter.setScrollTop(newScrollTop);
if (oldScrollTop != newScrollTop) {
ProcessActionRunner.add(
new Runnable() {
public void run() {
treeAdapter.checkAllData(tree);
}
});
}
}
}
public void preserveValues(final Widget widget) {
ScrolledComposite composite = (ScrolledComposite) widget;
ControlLCAUtil.preserveValues(composite);
IWidgetAdapter adapter = WidgetUtil.getAdapter(composite);
adapter.preserve(PROP_BOUNDS, composite.getBounds());
adapter.preserve(PROP_OVERFLOW, getOverflow(composite));
adapter.preserve(PROP_H_BAR_SELECTION, getBarSelection(composite.getHorizontalBar()));
adapter.preserve(PROP_V_BAR_SELECTION, getBarSelection(composite.getVerticalBar()));
adapter.preserve(Props.SELECTION_LISTENERS, Boolean.valueOf(hasSelectionListener(composite)));
adapter.preserve(PROP_SHOW_FOCUSED_CONTROL, Boolean.valueOf(composite.getShowFocusedControl()));
WidgetLCAUtil.preserveCustomVariant(composite);
}
private static void writeOverflow(final Tree tree) throws IOException {
boolean hasHChanged =
WidgetLCAUtil.hasChanged(tree, PROP_HAS_H_SCROLL_BAR, hasHScrollBar(tree), Boolean.TRUE);
boolean hasVChanged =
WidgetLCAUtil.hasChanged(tree, PROP_HAS_V_SCROLL_BAR, hasVScrollBar(tree), Boolean.TRUE);
if (hasHChanged || hasVChanged) {
boolean scrollX = hasHScrollBar(tree).booleanValue();
boolean scrollY = hasVScrollBar(tree).booleanValue();
String overflow;
if (scrollX && scrollY) {
overflow = "scroll";
} else if (scrollX) {
overflow = "scrollX";
} else if (scrollY) {
overflow = "scrollY";
} else {
overflow = "hidden";
}
JSWriter writer = JSWriter.getWriterFor(tree);
writer.set("treeOverflow", overflow);
}
}
private void writeColumnOrder(final Tree tree) throws IOException {
JSWriter writer = JSWriter.getWriterFor(tree);
int[] values = tree.getColumnOrder();
if (values.length > 0) {
Integer[] newValue = new Integer[values.length];
for (int i = 0; i < values.length; i++) {
newValue[i] = new Integer(values[i]);
}
if (WidgetLCAUtil.hasChanged(tree, PROP_COLUMN_ORDER, newValue, new Integer[] {})) {
writer.set(PROP_COLUMN_ORDER, "columnOrder", newValue, null);
}
}
}
private static void processActiveShell(final Shell shell) {
if (WidgetLCAUtil.wasEventSent(shell, JSConst.EVENT_SHELL_ACTIVATED)) {
Shell lastActiveShell = shell.getDisplay().getActiveShell();
setActiveShell(shell);
ActivateEvent event;
if (lastActiveShell != null) {
event = new ActivateEvent(lastActiveShell, ActivateEvent.DEACTIVATED);
event.processEvent();
}
event = new ActivateEvent(shell, ActivateEvent.ACTIVATED);
event.processEvent();
}
}
private static void writeCloseListener(final Shell shell) throws IOException {
// JSWriter writer = JSWriter.getWriterFor( shell );
Boolean newValue = Boolean.valueOf(ShellEvent.hasListener(shell));
Boolean defValue = Boolean.FALSE;
// writer.set( PROP_SHELL_LISTENER, "hasShellListener", newValue, defValue );
boolean hasChanged = WidgetLCAUtil.hasChanged(shell, PROP_SHELL_LISTENER, newValue, defValue);
if (hasChanged) {
IWidgetSynchronizer synchronizer = WidgetSynchronizerFactory.getSynchronizerForWidget(shell);
if (newValue.booleanValue()) {
synchronizer.addListener("closelistener");
} else {
synchronizer.removeListener("closelistener");
}
}
}
// TODO [rh] is this safe for multiple shells?
private static void processActivate(final Shell shell) {
HttpServletRequest request = ContextProvider.getRequest();
String widgetId = request.getParameter(JSConst.EVENT_WIDGET_ACTIVATED);
if (widgetId != null) {
Widget widget = WidgetUtil.find(shell, widgetId);
if (widget != null) {
setActiveControl(shell, widget);
}
} else {
String activeControlId = WidgetLCAUtil.readPropertyValue(shell, "activeControl");
Widget widget = WidgetUtil.find(shell, activeControlId);
if (widget != null) {
setActiveControl(shell, widget);
}
}
}
private static void processWidgetSelectedEvent(final Tree tree) {
HttpServletRequest request = ContextProvider.getRequest();
String eventName = JSConst.EVENT_WIDGET_SELECTED;
if (WidgetLCAUtil.wasEventSent(tree, eventName)) {
Rectangle bounds = new Rectangle(0, 0, 0, 0);
String itemId = request.getParameter(eventName + ".item");
Item treeItem = (Item) WidgetUtil.find(tree, itemId);
String detailStr = request.getParameter(eventName + ".detail");
int detail = "check".equals(detailStr) ? SWT.CHECK : SWT.NONE;
int eventType = SelectionEvent.WIDGET_SELECTED;
int stateMask = EventLCAUtil.readStateMask(JSConst.EVENT_WIDGET_SELECTED_MODIFIER);
SelectionEvent event =
new SelectionEvent(tree, treeItem, eventType, bounds, stateMask, null, true, detail);
event.processEvent();
}
}
public void preserveValues(final Widget widget) {
ControlLCAUtil.preserveValues((Control) widget);
Shell shell = (Shell) widget;
IWidgetAdapter adapter = WidgetUtil.getAdapter(shell);
adapter.preserve(PROP_ACTIVE_CONTROL, getActiveControl(shell));
adapter.preserve(PROP_ACTIVE_SHELL, shell.getDisplay().getActiveShell());
adapter.preserve(PROP_TEXT, shell.getText());
adapter.preserve(PROP_IMAGE, shell.getImage());
adapter.preserve(PROP_ALPHA, new Integer(shell.getAlpha()));
adapter.preserve(PROP_MODE, getMode(shell));
adapter.preserve(PROP_FULLSCREEN, Boolean.valueOf(shell.getFullScreen()));
adapter.preserve(PROP_SHELL_LISTENER, Boolean.valueOf(ShellEvent.hasListener(shell)));
adapter.preserve(PROP_SHELL_MENU, shell.getMenuBar());
adapter.preserve(PROP_MINIMUM_SIZE, shell.getMinimumSize());
WidgetLCAUtil.preserveCustomVariant(shell);
}
public void preserveValues(final Widget widget) {
Tree tree = (Tree) widget;
ControlLCAUtil.preserveValues((Control) widget);
IWidgetAdapter adapter = WidgetUtil.getAdapter(tree);
adapter.preserve(PROP_SELECTION_LISTENERS, Boolean.valueOf(SelectionEvent.hasListener(tree)));
adapter.preserve(PROP_HEADER_HEIGHT, new Integer(tree.getHeaderHeight()));
adapter.preserve(PROP_HEADER_VISIBLE, Boolean.valueOf(tree.getHeaderVisible()));
int[] values = tree.getColumnOrder();
Integer[] columnOrder = new Integer[values.length];
for (int i = 0; i < values.length; i++) {
columnOrder[i] = new Integer(values[i]);
}
adapter.preserve(PROP_COLUMN_ORDER, columnOrder);
adapter.preserve(PROP_SCROLL_LEFT, getScrollLeft(tree));
adapter.preserve(PROP_HAS_H_SCROLL_BAR, hasHScrollBar(tree));
adapter.preserve(PROP_HAS_V_SCROLL_BAR, hasVScrollBar(tree));
WidgetLCAUtil.preserveCustomVariant(tree);
}
private static void readSelection(final Tree tree) {
String value = WidgetLCAUtil.readPropertyValue(tree, "selection");
if (value != null) {
String[] values = value.split(",");
TreeItem[] selectedItems = new TreeItem[values.length];
boolean validItemFound = false;
for (int i = 0; i < values.length; i++) {
selectedItems[i] = (TreeItem) WidgetUtil.find(tree, values[i]);
if (selectedItems[i] != null) {
validItemFound = true;
}
}
if (!validItemFound) {
selectedItems = new TreeItem[0];
}
tree.setSelection(selectedItems);
}
}
private static void writeImage(final Shell shell) throws IOException {
if ((shell.getStyle() & SWT.TITLE) != 0) {
Image image = shell.getImage();
if (image == null) {
Image[] defaultImages = shell.getImages();
if (defaultImages.length > 0) {
image = defaultImages[0];
}
}
if (WidgetLCAUtil.hasChanged(shell, PROP_IMAGE, image, null)) {
// JSWriter writer = JSWriter.getWriterFor( shell );
// writer.set( JSConst.QX_FIELD_ICON,
// ResourceFactory.getImagePath( image ) );
IWidgetSynchronizer synchronizer =
WidgetSynchronizerFactory.getSynchronizerForWidget(shell);
synchronizer.setWidgetProperty(JSConst.QX_FIELD_ICON, ResourceFactory.getImagePath(image));
}
}
}