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/*
* Copyright (C) 2011 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.layout.gre;
import static com.android.SdkConstants.ANDROID_NS_NAME_PREFIX;
import static com.android.SdkConstants.ANDROID_URI;
import com.android.ide.eclipse.adt.internal.editors.IconFactory;
import com.android.ide.eclipse.adt.internal.editors.layout.descriptors.ViewElementDescriptor;
import com.android.ide.eclipse.adt.internal.editors.layout.gle2.SimpleAttribute;
import com.android.ide.eclipse.adt.internal.editors.layout.gle2.SimpleElement;
import org.eclipse.swt.graphics.Image;
import org.w3c.dom.Element;
/**
* Special version of {@link ViewElementDescriptor} which is initialized by the palette
* with specific metadata for how to instantiate particular variations of an existing
* {@link ViewElementDescriptor} with initial values.
*/
public class PaletteMetadataDescriptor extends ViewElementDescriptor {
private String mInitString;
private String mIconName;
public PaletteMetadataDescriptor(ViewElementDescriptor descriptor, String displayName,
String initString, String iconName) {
super(descriptor.getXmlName(),
displayName,
descriptor.getFullClassName(),
descriptor.getTooltip(),
descriptor.getSdkUrl(),
descriptor.getAttributes(),
descriptor.getLayoutAttributes(),
descriptor.getChildren(), descriptor.getMandatory() == Mandatory.MANDATORY);
mInitString = initString;
mIconName = iconName;
setSuperClass(descriptor.getSuperClassDesc());
}
/**
* Returns a String which contains a comma separated list of name=value tokens,
* where the name can start with "android:" to indicate a property in the android namespace,
* or no prefix for plain attributes.
*
* @return the initialization string, which can be empty but never null
*/
public String getInitializedAttributes() {
return mInitString != null ? mInitString : ""; //$NON-NLS-1$
}
@Override
public Image getGenericIcon() {
if (mIconName != null) {
IconFactory factory = IconFactory.getInstance();
Image icon = factory.getIcon(mIconName);
if (icon != null) {
return icon;
}
}
return super.getGenericIcon();
}
/**
* Initializes a new {@link SimpleElement} with the palette initialization
* configuration
*
* @param element the new element to initialize
*/
public void initializeNew(SimpleElement element) {
initializeNew(element, null);
}
/**
* Initializes a new {@link Element} with the palette initialization configuration
*
* @param element the new element to initialize
*/
public void initializeNew(Element element) {
initializeNew(null, element);
}
private void initializeNew(SimpleElement simpleElement, Element domElement) {
String initializedAttributes = mInitString;
if (initializedAttributes != null && initializedAttributes.length() > 0) {
for (String s : initializedAttributes.split(",")) { //$NON-NLS-1$
String[] nameValue = s.split("="); //$NON-NLS-1$
String name = nameValue[0];
String value = nameValue[1];
String nameSpace = ""; //$NON-NLS-1$
if (name.startsWith(ANDROID_NS_NAME_PREFIX)) {
name = name.substring(ANDROID_NS_NAME_PREFIX.length());
nameSpace = ANDROID_URI;
}
if (simpleElement != null) {
SimpleAttribute attr = new SimpleAttribute(nameSpace, name, value);
simpleElement.addAttribute(attr);
}
if (domElement != null) {
domElement.setAttributeNS(nameSpace, name, value);
}
}
}
}
}
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