ItemsList( List<MenuItem> children, ItemsProvider dataProvider, MenuButton.Resources resources, @Nullable String title) { super(true, false); this.dataProvider = dataProvider; this.resources = resources; setAnimationEnabled(true); setAnimationType(AnimationType.ROLL_DOWN); addStyleName(resources.css().popupPanel()); final FlowPanel content = new FlowPanel(); add(content); if (title != null) { Label label = new Label(title); label.setStyleName(resources.css().label()); content.add(label); } children.forEach(child -> content.add(new ItemWidget(child))); addCloseHandler( event -> { if (childList != null && childList.isShowing()) { childList.hide(false); } }); }
private void attachEventHandlers() { addDomHandler( event -> { if (overItem != null) { overItem.removeStyleName(resources.css().popupItemOver()); } overItem = ItemWidget.this; addStyleName(resources.css().popupItemOver()); if (childList != null) { childList.hide(); } if (dataProvider.isGroup(item)) { Pair<List<MenuItem>, String> children = dataProvider.getChildren(item); createChildPopup(children); } }, MouseOverEvent.getType()); addDomHandler( event -> { if (dataProvider.isGroup(item)) { return; } hide(true); getActionHandler().ifPresent(actionHandler -> actionHandler.onAction(item)); }, ClickEvent.getType()); }
private void createChildPopup(Pair<List<MenuItem>, String> children) { childList = new ItemsList(children.first, dataProvider, resources, "Execute on:"); getActionHandler().ifPresent(actionHandler -> childList.setActionHandler(actionHandler)); childList.setPopupPosition(getAbsoluteLeft() + getOffsetWidth(), getAbsoluteTop()); childList.show(); childList.setAutoHideEnabled(false); childList.setAnimationEnabled(false); childList.addCloseHandler( event -> { if (event.isAutoClosed()) { hide(); } }); } }
ItemWidget(MenuItem item) { this.item = item; addStyleName(resources.css().popupItem()); final Element itemLabel = Document.get().createDivElement(); itemLabel.setInnerText(item.getName()); itemLabel.getStyle().setFloat(Style.Float.LEFT); getElement().appendChild(itemLabel); if (dataProvider.isGroup(item)) { DivElement arrow = Document.get().createDivElement(); arrow.setInnerHTML(FontAwesome.PLAY); arrow.addClassName(resources.css().arrow()); getElement().appendChild(arrow); } attachEventHandlers(); }