/**
* Handle Mouse Click
*
* @param tr
*/
protected void onRowClicked(Element tr) {
if (!isRowEnabled(tr) || tr == subPopupAnchor) {
return;
}
int itemIndex = Integer.parseInt(tr.getAttribute("item-index"));
Action menuItem = list.get(itemIndex);
if (menuItem instanceof ActionGroup
&& (!((ActionGroup) menuItem).canBePerformed()
&& Utils.hasVisibleChildren(
(ActionGroup) menuItem,
presentationFactory,
actionManager,
managerProvider.get()))) {
openSubPopup(tr);
} else {
if (actionSelectedHandler != null) {
actionSelectedHandler.onActionSelected(menuItem);
}
ActionEvent e =
new ActionEvent(
presentationFactory.getPresentation(menuItem), actionManager, managerProvider.get());
menuItem.actionPerformed(e);
}
}
/** @return true when at list one item from list of menu items has selected state. */
private boolean hasCheckedItems() {
for (int i = 0; i < list.size(); i++) {
Action action = list.get(i);
if (action instanceof ToggleAction) {
ActionEvent e =
new ActionEvent(
presentationFactory.getPresentation(action), actionManager, managerProvider.get());
if (((ToggleAction) action).isSelected(e)) {
return true;
}
}
}
return false;
}
private boolean isRowEnabled(Element tr) {
if (tr == null) {
return false;
}
String index = tr.getAttribute("item-index");
if (index == null || "".equals(index)) {
return false;
}
String enabled = tr.getAttribute("item-enabled");
if (enabled == null || "".equals(enabled) || "false".equals(enabled)) {
return false;
}
int itemIndex = Integer.parseInt(index);
Action menuItem = list.get(itemIndex);
return presentationFactory.getPresentation(menuItem).isEnabled();
}
private void openSubPopup(final Element tableRowElement) {
if (tableRowElement == null) {
return;
}
if (openedSubPopup != null) {
if (tableRowElement == subPopupAnchor) {
return;
}
openedSubPopup.closePopup();
}
if (subPopupAnchor != null) {
Element e = subPopupAnchor;
subPopupAnchor = null;
setStyleNormal(e);
}
subPopupAnchor = tableRowElement;
setStyleHovered(subPopupAnchor);
int itemIndex = Integer.parseInt(tableRowElement.getAttribute("item-index"));
Action menuItem = list.get(itemIndex);
String idPrefix = itemIdPrefix;
if (idPrefix != null) {
idPrefix += "/" + presentationFactory.getPresentation(menuItem).getText();
}
openedSubPopup =
new PopupMenu(
(ActionGroup) menuItem,
actionManager,
managerProvider,
presentationFactory,
lockLayer,
actionSelectedHandler,
keyBindingAgent,
idPrefix);
final int HORIZONTAL_OFFSET = 3;
final int VERTICAL_OFFSET = 1;
openedSubPopup.getElement().getStyle().setVisibility(Visibility.HIDDEN);
lockLayer.add(openedSubPopup, 0, 0);
Scheduler.get()
.scheduleDeferred(
new ScheduledCommand() {
@Override
public void execute() {
int left = getAbsoluteLeft() + getOffsetWidth() - HORIZONTAL_OFFSET;
int top =
tableRowElement.getAbsoluteTop() - lockLayer.getTopOffset() - VERTICAL_OFFSET;
if (left + openedSubPopup.getOffsetWidth() > Window.getClientWidth()) {
if (left > openedSubPopup.getOffsetWidth()) {
left = getAbsoluteLeft() - openedSubPopup.getOffsetWidth() + HORIZONTAL_OFFSET;
} else {
int diff = left + openedSubPopup.getOffsetWidth() - Window.getClientWidth();
left -= diff;
}
}
if (top + openedSubPopup.getOffsetHeight() > Window.getClientHeight()) {
if (top > openedSubPopup.getOffsetHeight()) {
top =
tableRowElement.getAbsoluteTop()
- openedSubPopup.getOffsetHeight()
+ VERTICAL_OFFSET;
} else {
int diff = top + openedSubPopup.getOffsetHeight() - Window.getClientHeight();
top -= diff;
}
}
openedSubPopup.getElement().getStyle().setLeft(left, Unit.PX);
openedSubPopup.getElement().getStyle().setTop(top, Unit.PX);
openedSubPopup.getElement().getStyle().setVisibility(Visibility.VISIBLE);
}
});
}
/** Render Popup Menu component. */
private void redraw() {
String idPrefix = itemIdPrefix;
if (idPrefix == null) {
idPrefix = "";
} else {
idPrefix += "/";
}
table = new PopupMenuTable();
table.setStyleName(POPUP_RESOURCES.popup().popupMenuTable());
table.setCellPadding(0);
table.setCellSpacing(0);
for (int i = 0; i < list.size(); i++) {
Action menuItem = list.get(i);
if (menuItem instanceof Separator) {
final String separatorText = ((Separator) menuItem).getText();
if (separatorText == null) {
table.getCellFormatter().setStyleName(i, 0, POPUP_RESOURCES.popup().popupMenuDelimiter());
} else {
table.setWidget(i, 0, new Label(separatorText));
table
.getCellFormatter()
.setStyleName(i, 0, POPUP_RESOURCES.popup().popupMenuTextDelimiter());
}
table.getFlexCellFormatter().setColSpan(i, 0, hasCheckedItems ? 5 : 4);
} else {
Presentation presentation = presentationFactory.getPresentation(menuItem);
if (presentation.getImageResource() != null) {
Image image = new Image(presentation.getImageResource());
table.setWidget(i, 0, image);
} else if (presentation.getSVGResource() != null) {
SVGImage image = new SVGImage(presentation.getSVGResource());
table.setWidget(i, 0, image);
} else if (presentation.getHTMLResource() != null) {
table.setHTML(i, 0, presentation.getHTMLResource());
}
table
.getCellFormatter()
.setStyleName(
i,
0,
presentation.isEnabled()
? POPUP_RESOURCES.popup().popupMenuIconField()
: POPUP_RESOURCES.popup().popupMenuIconFieldDisabled());
int work = 1;
if (hasCheckedItems && menuItem instanceof ToggleAction) {
ToggleAction toggleAction = (ToggleAction) menuItem;
ActionEvent e =
new ActionEvent(
presentationFactory.getPresentation(toggleAction),
actionManager,
managerProvider.get());
if (toggleAction.isSelected(e)) {
// Temporary solution
table.setHTML(i, work, "<i class=\"fa fa-check\"></i>");
}
table
.getCellFormatter()
.setStyleName(
i,
work,
presentation.isEnabled()
? POPUP_RESOURCES.popup().popupMenuCheckField()
: POPUP_RESOURCES.popup().popupMenuCheckFieldDisabled());
work++;
}
table.setHTML(
i,
work,
"<nobr id=\""
+ idPrefix
+ presentation.getText()
+ "\">"
+ presentation.getText()
+ "</nobr>");
table
.getCellFormatter()
.setStyleName(
i,
work,
presentation.isEnabled()
? POPUP_RESOURCES.popup().popupMenuTitleField()
: POPUP_RESOURCES.popup().popupMenuTitleFieldDisabled());
if (showTooltips) {
Tooltip.create(
(elemental.dom.Element) table.getCellFormatter().getElement(i, work),
BOTTOM,
MIDDLE,
presentation.getText());
}
work++;
String hotKey =
KeyMapUtil.getShortcutText(
keyBindingAgent.getKeyBinding(actionManager.getId(menuItem)));
if (hotKey == null) {
hotKey = " ";
} else {
hotKey = "<nobr> " + hotKey + " </nobr>";
}
table.setHTML(i, work, hotKey);
table
.getCellFormatter()
.setStyleName(
i,
work,
presentation.isEnabled()
? POPUP_RESOURCES.popup().popupMenuHotKeyField()
: POPUP_RESOURCES.popup().popupMenuHotKeyFieldDisabled());
work++;
if (menuItem instanceof ActionGroup
&& !(((ActionGroup) menuItem).canBePerformed()
&& !Utils.hasVisibleChildren(
(ActionGroup) menuItem,
presentationFactory,
actionManager,
managerProvider.get()))) {
table.setWidget(i, work, new SVGImage(POPUP_RESOURCES.subMenu()));
table
.getCellFormatter()
.setStyleName(
i,
work,
presentation.isEnabled()
? POPUP_RESOURCES.popup().popupMenuSubMenuField()
: POPUP_RESOURCES.popup().popupMenuSubMenuFieldDisabled());
} else {
table
.getCellFormatter()
.setStyleName(
i,
work,
presentation.isEnabled()
? POPUP_RESOURCES.popup().popupMenuSubMenuField()
: POPUP_RESOURCES.popup().popupMenuSubMenuFieldDisabled());
}
work++;
table.getRowFormatter().getElement(i).setAttribute("item-index", Integer.toString(i));
table
.getRowFormatter()
.getElement(i)
.setAttribute("item-enabled", Boolean.toString(presentation.isEnabled()));
String actionId = actionManager.getId(menuItem);
String debugId;
if (actionId == null) {
debugId = idPrefix + menuItem.getTemplatePresentation().getText();
} else {
debugId = idPrefix + actionId;
}
UIObject.ensureDebugId(table.getRowFormatter().getElement(i), debugId);
}
}
popupMenuPanel.add(table);
}
