/* * Copyright (C) 2008 The Android Open Source Project * * Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/org/documents/epl-v10.php * * 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.android.ide.eclipse.adt.internal.editors.descriptors; import com.android.ide.common.api.IAttributeInfo; import com.android.ide.eclipse.adt.internal.editors.ui.FlagValueCellEditor; import com.android.ide.eclipse.adt.internal.editors.uimodel.UiAttributeNode; import com.android.ide.eclipse.adt.internal.editors.uimodel.UiElementNode; import com.android.ide.eclipse.adt.internal.editors.uimodel.UiFlagAttributeNode; import com.android.ide.eclipse.adt.internal.editors.uimodel.UiListAttributeNode; import org.eclipse.jface.viewers.CellEditor; import org.eclipse.swt.widgets.Composite; /** * Describes a text attribute that can only contains some predefined values. * It is displayed by a {@link UiListAttributeNode}. * * Note: in Android resources, a "flag" is a list of fixed values where one or * more values can be selected using an "or", e.g. "align='left|top'". * By contrast, an "enum" is a list of fixed values of which only one can be * selected at a given time, e.g. "gravity='right'". *
* This class handles the "flag" case. * The "enum" case is done using {@link ListAttributeDescriptor}. */ public class FlagAttributeDescriptor extends TextAttributeDescriptor { private String[] mNames; /** * Creates a new {@link FlagAttributeDescriptor}. * * IfattrInfo
is not null and has non-null flag values, these will be
* used for the list.
* Otherwise values are automatically extracted from the FrameworkResourceManager.
*/
public FlagAttributeDescriptor(String xmlLocalName, String nsUri, IAttributeInfo attrInfo) {
super(xmlLocalName, nsUri, attrInfo);
if (attrInfo != null) {
mNames = attrInfo.getFlagValues();
}
}
/**
* Creates a new {@link FlagAttributeDescriptor} which uses the provided values
* and does not lookup the content of attrInfo
.
*/
public FlagAttributeDescriptor(String xmlLocalName, String uiName, String nsUri,
String tooltip, IAttributeInfo attrInfo, String[] names) {
super(xmlLocalName, nsUri, attrInfo);
mNames = names;
}
/**
* @return The initial names of the flags. Can be null, in which case the Framework
* resource parser should be checked.
*/
public String[] getNames() {
return mNames;
}
/**
* @return A new {@link UiListAttributeNode} linked to this descriptor.
*/
@Override
public UiAttributeNode createUiNode(UiElementNode uiParent) {
return new UiFlagAttributeNode(this, uiParent);
}
// ------- IPropertyDescriptor Methods
@Override
public CellEditor createPropertyEditor(Composite parent) {
return new FlagValueCellEditor(parent);
}
}