Java tutorial
/* * * Copyright (C) 2007-2015 Licensed to the Comunes Association (CA) under * one or more contributor license agreements (see COPYRIGHT for details). * The CA licenses this file to you under the GNU Affero General Public * License version 3, (the "License"); you may not use this file except in * compliance with the License. This file is part of kune. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * */ package cc.kune.bootstrap.client.ui; import org.gwtbootstrap3.client.shared.event.HiddenEvent; import org.gwtbootstrap3.client.shared.event.HideEvent; import org.gwtbootstrap3.client.shared.event.HideHandler; import org.gwtbootstrap3.client.shared.event.ShowEvent; import org.gwtbootstrap3.client.shared.event.ShowHandler; import org.gwtbootstrap3.client.shared.event.ShownEvent; import org.gwtbootstrap3.client.shared.event.ShownHandler; import org.gwtbootstrap3.client.ui.DropDownMenu; import org.gwtbootstrap3.client.ui.base.ComplexWidget; import org.gwtbootstrap3.client.ui.constants.IconType; import org.gwtbootstrap3.client.ui.constants.Toggle; import cc.kune.common.shared.res.KuneIcon; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.event.logical.shared.AttachEvent; import com.google.gwt.event.logical.shared.AttachEvent.Handler; import com.google.gwt.event.shared.HandlerRegistration; import com.google.gwt.resources.client.ImageResource; import com.google.gwt.user.client.Event; import com.google.gwt.user.client.ui.HTMLPanel; import com.google.gwt.user.client.ui.IsWidget; import com.google.gwt.user.client.ui.Widget; public class ComplexDropDownMenu<T extends ComplexWidget> { private static final String OPEN = "open"; private final ComplexAnchorButton anchor; private final DropDownMenu menu; private final T widget; public ComplexDropDownMenu(final T widget) { this.widget = widget; menu = new DropDownMenu(); anchor = new ComplexAnchorButton(); anchor.setDataToggle(Toggle.DROPDOWN); final String dataTarget = HTMLPanel.createUniqueId(); anchor.setDataTarget(dataTarget); // Attributes.DATA_TARGET anchor.getElement().setAttribute("aria-expanded", "true"); menu.getElement().setAttribute("aria-labelledby", dataTarget); widget.add(anchor); widget.add(menu); widget.addAttachHandler(new Handler() { @Override public void onAttachOrDetach(final AttachEvent event) { if (event.isAttached()) { bindJavaScriptEvents(widget.getElement()); } else { unbindJavaScriptEvents(widget.getElement()); } } }); } public void add(final IsWidget child) { menu.add(child); } public void add(final Widget child) { menu.add(child); } public void addClickHandler(final ClickHandler clickHandler) { anchor.addClickHandler(clickHandler); } public HandlerRegistration addHideHandler(final HideHandler hideHandler) { return widget.addHandler(hideHandler, HideEvent.getType()); } public HandlerRegistration addShowHandler(final ShowHandler showHandler) { return widget.addHandler(showHandler, ShowEvent.getType()); } public HandlerRegistration addShownHandler(final ShownHandler shownHandler) { return widget.addHandler(shownHandler, ShownEvent.getType()); } public void addStyleName(final String style) { widget.addStyleName(style); } private native void bindJavaScriptEvents(final com.google.gwt.dom.client.Element e) /*-{ var target = this; var $dropdown = $wnd.jQuery(e); $dropdown .on( 'show.bs.dropdown', function(evt) { target.@cc.kune.bootstrap.client.ui.ComplexDropDownMenu::onShow(Lcom/google/gwt/user/client/Event;)(evt); }); $dropdown .on( 'shown.bs.dropdown', function(evt) { target.@cc.kune.bootstrap.client.ui.ComplexDropDownMenu::onShown(Lcom/google/gwt/user/client/Event;)(evt); }); $dropdown .on( 'hide.bs.dropdown', function(evt) { target.@cc.kune.bootstrap.client.ui.ComplexDropDownMenu::onHide(Lcom/google/gwt/user/client/Event;)(evt); }); $dropdown .on( 'hidden.bs.dropdown', function(evt) { target.@cc.kune.bootstrap.client.ui.ComplexDropDownMenu::onHidden(Lcom/google/gwt/user/client/Event;)(evt); }); }-*/; public void clear() { menu.clear(); } public void ensureDebugId(final String id) { anchor.ensureDebugId(id); } public ComplexAnchorButton getAnchor() { return anchor; } public DropDownMenu getList() { return menu; } public DropDownMenu getMenu() { return menu; } public String getText() { return anchor.getText(); } public Widget getWidget() { return widget; } public int getWidgetCount() { return menu.getWidgetCount(); } public void hide() { widget.removeStyleName(OPEN); } public void insert(final Widget uiObject, final int position) { menu.insert(uiObject, position); } public boolean isMenuVisible() { return menu.isVisible(); } public boolean isVisible() { return menu.isVisible(); } protected void onHidden(final Event evt) { widget.fireEvent(new HiddenEvent(evt)); } protected void onHide(final Event evt) { widget.fireEvent(new HideEvent(evt)); } protected void onShow(final Event evt) { widget.fireEvent(new ShowEvent(evt)); } protected void onShown(final Event evt) { widget.fireEvent(new ShownEvent(evt)); } public boolean remove(final int index) { return menu.remove(index); } public boolean remove(final Widget w) { return menu.remove(w); } public void setActive(final boolean active) { anchor.setActive(active); } public void setEnabled(final boolean enabled) { anchor.setEnabled(enabled); } public void setIcon(final IconType icon) { anchor.setIcon(icon); } public void setIcon(final KuneIcon icon) { anchor.setIcon(icon); } public void setIconBackColor(final String backgroundColor) { anchor.setIconBackColor(backgroundColor); } public void setIconResource(final ImageResource resource) { anchor.setIconResource(resource); } public void setIconRightResource(final ImageResource rightIcon) { anchor.setIconRightResource(rightIcon); } public void setIconStyle(final String style) { anchor.setIconStyle(style); } public void setIconUrl(final String url) { anchor.setIconUrl(url); } public void setInline(final Boolean inline) { menu.setInline(inline); } public void setMenuText(final String text) { anchor.setText(text); } private native void setPosition(final com.google.gwt.dom.client.Element e, int x, int y) /*-{ $wnd.jQuery(e).offset({ top : y, left : x }) }-*/; public void setText(final String text) { anchor.setText(text); } public void setVisible(final boolean visible) { widget.setVisible(visible); } public void show() { widget.addStyleName(OPEN); } public void show(final int x, final int y) { show(); setPosition(menu.getElement(), x, y); } private native void unbindJavaScriptEvents(final com.google.gwt.dom.client.Element e) /*-{ $wnd.jQuery(e).off('show.bs.dropdown'); $wnd.jQuery(e).off('shown.bs.dropdown'); $wnd.jQuery(e).off('hide.bs.dropdown'); $wnd.jQuery(e).off('hidden.bs.dropdown'); }-*/; }