Java tutorial
/* * OneCMDB, an open source configuration management project. * Copyright 2007, Lokomo Systems AB, and individual contributors * as indicated by the @authors tag. See the copyright.txt in the * distribution for a full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.onecmdb.ui.gwt.toolkit.client.view.input; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import org.gwtiger.client.widget.field.BaseFieldLabelWidget; import org.onecmdb.ui.gwt.toolkit.client.control.input.AbstractAttributeValue; import org.onecmdb.ui.gwt.toolkit.client.control.input.AttributeValue; import org.onecmdb.ui.gwt.toolkit.client.control.input.IBaseField; import org.onecmdb.ui.gwt.toolkit.client.control.input.MultipleAttributeValue; import org.onecmdb.ui.gwt.toolkit.client.view.ci.CIIconWidget; import org.onecmdb.ui.gwt.toolkit.client.view.popup.DragablePopup; import com.google.gwt.user.client.Window; import com.google.gwt.user.client.ui.ClickListener; import com.google.gwt.user.client.ui.DisclosureEvent; import com.google.gwt.user.client.ui.DisclosureHandler; import com.google.gwt.user.client.ui.DisclosurePanel; import com.google.gwt.user.client.ui.HorizontalPanel; import com.google.gwt.user.client.ui.Image; import com.google.gwt.user.client.ui.KeyboardListener; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.VerticalPanel; import com.google.gwt.user.client.ui.Widget; public class CIMultiValueWidget extends BaseFieldLabelWidget implements IBaseField { private VerticalPanel vPanel; private Image addImage; private List baseFields = new ArrayList(); private VerticalPanel valuePanel; private MultipleAttributeValue mValue; private boolean expandState; private Image expandImage; public CIMultiValueWidget(final MultipleAttributeValue mValue) { super(mValue.getLabel()); vPanel = new VerticalPanel(); valuePanel = new VerticalPanel(); this.mValue = mValue; //Widget hPanel = getMultiListAsDisclosure(mValue); //Widget hPanel = getMultiListAsPopup(mValue); Widget hPanel = getMultiListAsList(mValue); addField(hPanel); if (mValue.getCtrl().isReadonly()) { // Reset basefield style. getBaseField().setStyleName("mdv-form-input-readonly"); } } protected Widget getMultiListAsList(final MultipleAttributeValue mValue) { final HorizontalPanel hPanel = new HorizontalPanel(); CIIconWidget icon = new CIIconWidget(mValue.getType()); icon.update(); hPanel.setWidth("100%"); hPanel.add(icon); hPanel.setCellHorizontalAlignment(icon, HorizontalPanel.ALIGN_LEFT); Label name = new Label(mValue.getDisplayName()); hPanel.add(name); HorizontalPanel actionPanel = new HorizontalPanel(); actionPanel.setSpacing(6); if (!mValue.getCtrl().isReadonly()) { // Add action if (mValue.isComplex()) { addImage = new Image("images/eclipse/add_multi.gif"); addImage.setTitle("Select values to the multi valued attribute"); } else { addImage = new Image("images/eclipse/add_single.gif"); addImage.setTitle("Add one value to the multi valued attribute"); } actionPanel.add(addImage); // Delete all action Image deleteAllImage = new Image("images/delete-value.gif"); deleteAllImage.setTitle("Remove ALL values!"); actionPanel.add(deleteAllImage); deleteAllImage.addClickListener(new ClickListener() { public void onClick(Widget sender) { if (Window.confirm("Remove all values for attribute?")) { mValue.removeAttributeValues(); clearValues(); } } }); actionPanel.add(deleteAllImage); } // Expand action expandImage = new Image(); expandImage.addClickListener(new ClickListener() { public void onClick(Widget sender) { setExpandState(!expandState); } }); setExpandState(true); actionPanel.add(expandImage); actionPanel.setCellVerticalAlignment(expandImage, VerticalPanel.ALIGN_MIDDLE); hPanel.add(actionPanel); hPanel.setCellHorizontalAlignment(actionPanel, HorizontalPanel.ALIGN_RIGHT); vPanel.add(hPanel); vPanel.add(valuePanel); return (vPanel); } private void setExpandState(boolean state) { expandState = state; if (state) { expandImage.setUrl("images/minus.gif"); expandImage.setTitle("Click to hide all values"); valuePanel.setVisible(true); } else { expandImage.setUrl("images/plus.gif"); expandImage.setTitle("Click to show all values"); valuePanel.setVisible(false); } } public void addValue(final Widget widget) { // need to get the base widget... if (widget instanceof IBaseField) { final HorizontalPanel hPanel = new HorizontalPanel(); hPanel.add(((IBaseField) widget).getBaseField()); valuePanel.add(hPanel); if (mValue.getCtrl().isReadonly()) { ((IBaseField) widget).getBaseField().setStyleName("multi-value-input-readonly"); } else { Image delete = new Image("images/delete-value.gif"); delete.setTitle("Remove this value"); delete.addClickListener(new ClickListener() { public void onClick(Widget sender) { List values = mValue.getAttributeValues(); List remainingValues = new ArrayList(); for (Iterator iter = values.iterator(); iter.hasNext();) { AttributeValue aValue = (AttributeValue) iter.next(); if (widget.equals(aValue.getWidget())) { // Remove this, mValue.removeAttributeValue(aValue); valuePanel.remove(hPanel); break; } } } }); hPanel.add(delete); hPanel.setCellWidth(((IBaseField) widget).getBaseField(), "100%"); //((IBaseField)widget).getBaseField().setStyleName("multi-value-input"); ((IBaseField) widget).getBaseField().setStyleName("multi-value-input-inside"); hPanel.setStyleName("multi-value-input"); } baseFields.add(widget); } } public void clear() { } public boolean validate() { return true; } public void addKeyboardListener(KeyboardListener listener) { } public Widget getBaseField() { return (this.baseField); } public void setReadonly(boolean readonly) { // TODO Auto-generated method stub } public void setAddListener(final ClickListener listener) { if (addImage != null) { addImage.addClickListener(new ClickListener() { public void onClick(Widget sender) { listener.onClick(sender); } }); } } public void clearValues() { valuePanel.clear(); } }