Java tutorial
/* * * opyright (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.actions.ui; import java.util.Arrays; import java.util.List; import org.gwtbootstrap3.client.ui.ListDropDown; import org.gwtbootstrap3.client.ui.base.HasIcon; import org.gwtbootstrap3.client.ui.constants.IconType; import org.gwtbootstrap3.client.ui.constants.Styles; import cc.kune.bootstrap.client.ui.ComplexDropDownMenu; import cc.kune.common.client.actions.PropertyChangeEvent; import cc.kune.common.client.actions.PropertyChangeListener; import cc.kune.common.client.actions.gwtui.HasMenuItem; import cc.kune.common.client.actions.ui.AbstractChildGuiItem; import cc.kune.common.client.actions.ui.AbstractGuiItem; import cc.kune.common.client.actions.ui.ParentWidget; import cc.kune.common.client.actions.ui.descrip.GuiActionDescrip; import cc.kune.common.client.actions.ui.descrip.MenuDescriptor; import cc.kune.common.client.actions.ui.descrip.MenuItemDescriptor; import cc.kune.common.client.actions.ui.descrip.ToolbarDescriptor; import cc.kune.common.client.errors.UIException; import cc.kune.common.shared.res.KuneIcon; import cc.kune.common.shared.utils.TextUtils; import com.google.gwt.resources.client.ImageResource; import com.google.gwt.user.client.ui.HTMLPanel; import com.google.gwt.user.client.ui.UIObject; import com.google.gwt.user.client.ui.Widget; /** * The Class BSToolbarMenuGui. * * @author vjrj@ourproject.org (Vicente J. Ruiz Jurado) */ public class BSToolbarMenuGui extends AbstractChildGuiItem implements AbstractBSMenuGui { private ComplexDropDownMenu<ListDropDown> menu; private PopupBSMenuGui popup; @Override public void add(final UIObject uiObject) { menu.add((Widget) uiObject); } /* * (non-Javadoc) * * @see * cc.kune.common.client.actions.ui.AbstractChildGuiItem#addStyle(java.lang * .String) */ @Override protected void addStyle(final String style) { menu.getWidget().addStyleName(style); } private void clearCurrentActiveItem() { final int count = menu.getWidgetCount(); for (int cur = 0; cur < count; cur++) { final Widget item = menu.getList().getWidget(cur); final List<String> styles = Arrays.asList(item.getStyleName().split(" ")); if (styles.contains(Styles.ACTIVE)) { item.removeStyleName(Styles.ACTIVE); } } } @Override public void configureItemFromProperties() { super.configureItemFromProperties(); descriptor.addPropertyChangeListener(new PropertyChangeListener() { @Override public void propertyChange(final PropertyChangeEvent event) { if (event.getPropertyName().equals(MenuDescriptor.MENU_CLEAR)) { menu.clear(); } } }); } /* * (non-Javadoc) * * @see * cc.kune.common.client.actions.gwtui.AbstractGwtMenuGui#create(cc.kune.common * .client.actions.ui.descrip.GuiActionDescrip) */ @Override public AbstractGuiItem create(final GuiActionDescrip descriptor) { super.descriptor = descriptor; descriptor.putValue(ParentWidget.PARENT_UI, this); final GuiActionDescrip parent = descriptor.getParent(); if (!(parent instanceof ToolbarDescriptor)) { throw new UIException("This menu should be used only in bootstrap toolbars. Menu: " + descriptor + " parent: " + parent); } final ListDropDown dDown = new ListDropDown(); menu = new ComplexDropDownMenu<ListDropDown>(dDown); final String ddid = HTMLPanel.createUniqueId(); dDown.getElement().setId(ddid); popup = new PopupBSMenuGui(menu.getList(), menu.getWidget(), descriptor); // TODO // final Boolean inline = (Boolean) // descriptor.getValue(MenuDescriptor.MENU_VERTICAL); // menu.setInline(inline); // descriptor.putValue(MenuDescriptor.MENU_SHOW_NEAR_TO, button); final ImageResource rightIcon = ((MenuDescriptor) descriptor).getRightIcon(); if (rightIcon != null) { menu.setIconRightResource(rightIcon); } descriptor.addPropertyChangeListener(new PropertyChangeListener() { private void activeNextItem(final int increment) { final int count = menu.getWidgetCount(); for (int cur = 0; cur < count && cur >= 0; cur = cur + increment) { final Widget item = menu.getList().getWidget(cur); final List<String> styles = Arrays.asList(item.getStyleName().split(" ")); if (styles.contains(Styles.ACTIVE)) { item.removeStyleName(Styles.ACTIVE); final int proposed = cur + increment; final int next = proposed >= count ? 0 : (proposed < 0) ? count - 1 : proposed; menu.getList().getWidget(next).addStyleName(Styles.ACTIVE); break; } } } @Override public void propertyChange(final PropertyChangeEvent event) { if (event.getPropertyName().equals(MenuDescriptor.MENU_SELECTION_DOWN)) { activeNextItem(1); } else if (event.getPropertyName().equals(MenuDescriptor.MENU_SELECTION_UP)) { activeNextItem(-1); } else if (event.getPropertyName().equals(MenuDescriptor.MENU_SELECT_ITEM)) { final HasMenuItem item = (HasMenuItem) ((MenuItemDescriptor) descriptor .getValue(MenuDescriptor.MENU_SELECT_ITEM)).getValue(MenuItemDescriptor.UI); clearCurrentActiveItem(); ((Widget) item).addStyleName(Styles.ACTIVE); } } }); final String id = descriptor.getId(); if (TextUtils.notEmpty(id) && !"undefined".equals(id)) { menu.ensureDebugId(id); } if (descriptor.isChild()) { child = menu.getWidget(); } else { initWidget(menu.getWidget()); } super.create(descriptor); configureItemFromProperties(); descriptor.addPropertyChangeListener(new PropertyChangeListener() { @Override public void propertyChange(final PropertyChangeEvent event) { final Object newValue = event.getNewValue(); if (event.getPropertyName().equals(MenuDescriptor.MENU_RIGHTICON)) { setIconRightResource((ImageResource) newValue); } } }); return this; } @Override public void hide() { popup.hide(); } @Override public void insert(final int position, final UIObject widget) { menu.insert((Widget) widget, position); } /* * (non-Javadoc) * * @see cc.kune.common.client.actions.ui.AbstractGuiItem#setEnabled(boolean) */ @Override public void setEnabled(final boolean enabled) { menu.setEnabled(enabled); } /* * (non-Javadoc) * * @see * cc.kune.common.client.actions.ui.AbstractGuiItem#setIcon(cc.kune.common * .shared.res.KuneIcon) */ @Override public void setIcon(final KuneIcon icon) { menu.setIcon(icon); } @Override protected void setIcon(final Object icon) { if (icon instanceof IconType) { final UIObject widget = descriptor.isChild() ? child : getWidget(); if (widget instanceof HasIcon) { ((HasIcon) widget).setIcon((IconType) icon); } } else { super.setIcon(icon); } } /* * (non-Javadoc) * * @see * cc.kune.common.client.actions.ui.AbstractGuiItem#setIconBackground(java * .lang.String) */ @Override public void setIconBackColor(final String backgroundColor) { menu.setIconBackColor(backgroundColor); } /* * (non-Javadoc) * * @see * cc.kune.common.client.actions.ui.AbstractGuiItem#setIconResource(com.google * .gwt.resources.client.ImageResource) */ @Override public void setIconResource(final ImageResource resource) { menu.setIconResource(resource); } /** * Sets the icon right resource. * * @param resource * the new icon right resource */ public void setIconRightResource(final ImageResource resource) { menu.setIconRightResource(resource); } /* * (non-Javadoc) * * @see * cc.kune.common.client.actions.ui.AbstractGuiItem#setIconStyle(java.lang * .String) */ @Override public void setIconStyle(final String style) { menu.setIconStyle(style); } /* * (non-Javadoc) * * @see * cc.kune.common.client.actions.ui.AbstractGuiItem#setIconUrl(java.lang.String * ) */ @Override public void setIconUrl(final String url) { menu.setIconUrl(url); } /* * (non-Javadoc) * * @see * cc.kune.common.client.actions.ui.AbstractGuiItem#setText(java.lang.String) */ @Override public void setText(final String text) { // FIXME descriptor.getDirection() menu.setMenuText(text); } /* * (non-Javadoc) * * @see * cc.kune.common.client.actions.ui.AbstractGuiItem#setToolTipText(java.lang * .String) */ @Override public void setToolTipText(final String tooltipText) { setToolTipTextNextTo(menu.getWidget(), tooltipText); } /* * (non-Javadoc) * * @see com.google.gwt.user.client.ui.UIObject#setVisible(boolean) */ @Override public void setVisible(final boolean visible) { menu.setVisible(visible); } @Override public boolean shouldBeAdded() { return !descriptor.hasParent(); } @Override public void show() { popup.showRelativeTo(menu.getWidget()); } }