/*
* Copyright 2010 IT Mill Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.vaadin.terminal.gwt.client;
import com.google.gwt.core.client.GWT;
import com.google.gwt.user.client.ui.Widget;
import com.vaadin.terminal.gwt.client.ui.VButton;
import com.vaadin.terminal.gwt.client.ui.VCheckBox;
import com.vaadin.terminal.gwt.client.ui.VDateFieldCalendar;
import com.vaadin.terminal.gwt.client.ui.VDragAndDropWrapper;
import com.vaadin.terminal.gwt.client.ui.VFilterSelect;
import com.vaadin.terminal.gwt.client.ui.VListSelect;
import com.vaadin.terminal.gwt.client.ui.VNativeSelect;
import com.vaadin.terminal.gwt.client.ui.VOptionGroup;
import com.vaadin.terminal.gwt.client.ui.VPasswordField;
import com.vaadin.terminal.gwt.client.ui.VPopupCalendar;
import com.vaadin.terminal.gwt.client.ui.VSplitPanelHorizontal;
import com.vaadin.terminal.gwt.client.ui.VSplitPanelVertical;
import com.vaadin.terminal.gwt.client.ui.VTextArea;
import com.vaadin.terminal.gwt.client.ui.VTextField;
import com.vaadin.terminal.gwt.client.ui.VTwinColSelect;
import com.vaadin.terminal.gwt.client.ui.VUnknownComponent;
import com.vaadin.terminal.gwt.client.ui.VView;
import com.vaadin.terminal.gwt.client.ui.VWindow;
public class DefaultWidgetSet implements WidgetSet {
/**
* DefaultWidgetSet (and its extensions) delegate instantiation of widgets
* and client-server mathing to WidgetMap. The actual implementations are
* generated with gwts deferred binding.
*/
private WidgetMap map;
/**
* This is the entry point method. It will start the first
*/
public void onModuleLoad() {
try {
ApplicationConfiguration.initConfigurations(this);
} catch (Exception e) {
// Log & don't continue;
// custom WidgetSets w/ entry points will cause this
ApplicationConnection.getConsole().log(e.getMessage());
return;
}
ApplicationConfiguration.startNextApplication(); // start first app
map = GWT.create(WidgetMap.class);
}
public Paintable createWidget(UIDL uidl, ApplicationConfiguration conf) {
final Class<? extends Paintable> classType = resolveWidgetType(uidl,
conf);
if (classType == null || classType == VUnknownComponent.class) {
String serverSideName = conf
.getUnknownServerClassNameByEncodedTagName(uidl.getTag());
return new VUnknownComponent(serverSideName);
}
return map.instantiate(classType);
}
protected Class<? extends Paintable> resolveWidgetType(UIDL uidl,
ApplicationConfiguration conf) {
final String tag = uidl.getTag();
Class<? extends Paintable> widgetClass = conf
.getWidgetClassByEncodedTag(tag);
// TODO add our quirks
if (widgetClass == VButton.class && uidl.hasAttribute("type")) {
return VCheckBox.class;
} else if (widgetClass == VView.class && uidl.hasAttribute("sub")) {
return VWindow.class;
} else if (widgetClass == VFilterSelect.class) {
if (uidl.hasAttribute("type")) {
// TODO check if all type checks are really neede
final String type = uidl.getStringAttribute("type").intern();
if (type == "twincol") {
return VTwinColSelect.class;
} else if (type == "optiongroup") {
return VOptionGroup.class;
} else if (type == "native") {
return VNativeSelect.class;
} else if (type == "list") {
return VListSelect.class;
} else if (uidl.hasAttribute("selectmode")
&& uidl.getStringAttribute("selectmode")
.equals("multi")) {
return VListSelect.class;
}
}
} else if (widgetClass == VTextField.class) {
if (uidl.hasAttribute("multiline")) {
return VTextArea.class;
} else if (uidl.hasAttribute("secret")) {
return VPasswordField.class;
}
} else if (widgetClass == VPopupCalendar.class) {
if (uidl.hasAttribute("type")
&& uidl.getStringAttribute("type").equals("inline")) {
return VDateFieldCalendar.class;
}
} else if (widgetClass == VSplitPanelHorizontal.class
&& uidl.hasAttribute("vertical")) {
return VSplitPanelVertical.class;
}
return widgetClass;
}
public boolean isCorrectImplementation(Widget currentWidget, UIDL uidl,
ApplicationConfiguration conf) {
return currentWidget.getClass() == resolveWidgetType(uidl, conf);
}
public Class<? extends Paintable> getImplementationByClassName(
String fullyqualifiedName) {
Class<? extends Paintable> implementationByServerSideClassName = map
.getImplementationByServerSideClassName(fullyqualifiedName);
return implementationByServerSideClassName;
}
}