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/*
* Copyright (C) 2007 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.animator;
import static com.android.SdkConstants.ANDROID_NS_NAME_PREFIX;
import static com.android.SdkConstants.ANDROID_PKG;
import com.android.annotations.VisibleForTesting;
import com.android.ide.common.api.IAttributeInfo.Format;
import com.android.ide.common.resources.ResourceItem;
import com.android.ide.common.resources.ResourceRepository;
import com.android.ide.eclipse.adt.AdtUtils;
import com.android.ide.eclipse.adt.internal.editors.AndroidContentAssist;
import com.android.ide.eclipse.adt.internal.editors.descriptors.AttributeDescriptor;
import com.android.ide.eclipse.adt.internal.editors.descriptors.ElementDescriptor;
import com.android.ide.eclipse.adt.internal.editors.descriptors.IDescriptorProvider;
import com.android.ide.eclipse.adt.internal.editors.descriptors.SeparatorAttributeDescriptor;
import com.android.ide.eclipse.adt.internal.sdk.AndroidTargetData;
import com.android.resources.ResourceFolderType;
import com.android.resources.ResourceType;
import com.android.utils.Pair;
import org.eclipse.jface.text.contentassist.ICompletionProposal;
import org.w3c.dom.Node;
import java.util.ArrayList;
import java.util.Collections;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Content Assist Processor for /res/drawable XML files
*/
@VisibleForTesting
public final class AnimationContentAssist extends AndroidContentAssist {
private static final String OBJECT_ANIMATOR = "objectAnimator"; //$NON-NLS-1$
private static final String PROPERTY_NAME = "propertyName"; //$NON-NLS-1$
private static final String INTERPOLATOR_PROPERTY_NAME = "interpolator"; //$NON-NLS-1$
private static final String INTERPOLATOR_NAME_SUFFIX = "_interpolator"; //$NON-NLS-1$
public AnimationContentAssist() {
super(AndroidTargetData.DESCRIPTOR_ANIMATOR);
}
@Override
protected int getRootDescriptorId() {
String folderName = AdtUtils.getParentFolderName(mEditor.getEditorInput());
ResourceFolderType folderType = ResourceFolderType.getFolderType(folderName);
if (folderType == ResourceFolderType.ANIM) {
return AndroidTargetData.DESCRIPTOR_ANIM;
} else {
return AndroidTargetData.DESCRIPTOR_ANIMATOR;
}
}
@Override
protected boolean computeAttributeValues(List<ICompletionProposal> proposals, int offset,
String parentTagName, String attributeName, Node node, String wordPrefix,
boolean skipEndTag, int replaceLength) {
// Add value completion for the interpolator and propertyName attributes
if (attributeName.endsWith(INTERPOLATOR_PROPERTY_NAME)) {
if (!wordPrefix.startsWith("@android:anim/")) { //$NON-NLS-1$
// List all framework interpolators with full path first
AndroidTargetData data = mEditor.getTargetData();
ResourceRepository repository = data.getFrameworkResources();
List<String> interpolators = new ArrayList<String>();
String base = '@' + ANDROID_PKG + ':' + ResourceType.ANIM.getName() + '/';
for (ResourceItem item : repository.getResourceItemsOfType(ResourceType.ANIM)) {
String name = item.getName();
if (name.endsWith(INTERPOLATOR_NAME_SUFFIX)) {
interpolators.add(base + item.getName());
}
}
addMatchingProposals(proposals, interpolators.toArray(), offset, node, wordPrefix,
(char) 0 /* needTag */, true /* isAttribute */, false /* isNew */,
skipEndTag /* skipEndTag */, replaceLength);
}
return super.computeAttributeValues(proposals, offset, parentTagName, attributeName,
node, wordPrefix, skipEndTag, replaceLength);
} else if (parentTagName.equals(OBJECT_ANIMATOR)
&& attributeName.endsWith(PROPERTY_NAME)) {
// Special case: the user is code completing inside
// <objectAnimator propertyName="^">
// In this case, offer ALL attribute names that make sense for animation
// (e.g. all numeric ones)
String attributePrefix = wordPrefix;
if (startsWith(attributePrefix, ANDROID_NS_NAME_PREFIX)) {
attributePrefix = attributePrefix.substring(ANDROID_NS_NAME_PREFIX.length());
}
AndroidTargetData data = mEditor.getTargetData();
if (data != null) {
IDescriptorProvider descriptorProvider =
data.getDescriptorProvider(AndroidTargetData.DESCRIPTOR_LAYOUT);
if (descriptorProvider != null) {
ElementDescriptor[] rootElementDescriptors =
descriptorProvider.getRootElementDescriptors();
Map<String, AttributeDescriptor> matches =
new HashMap<String, AttributeDescriptor>(180);
for (ElementDescriptor elementDesc : rootElementDescriptors) {
for (AttributeDescriptor desc : elementDesc.getAttributes()) {
if (desc instanceof SeparatorAttributeDescriptor) {
continue;
}
String name = desc.getXmlLocalName();
if (startsWith(name, attributePrefix)) {
EnumSet<Format> formats = desc.getAttributeInfo().getFormats();
if (formats.contains(Format.INTEGER)
|| formats.contains(Format.FLOAT)) {
// TODO: Filter out some common properties
// that the user probably isn't trying to
// animate:
// num*, min*, max*, *Index, *Threshold,
// *Duration, *Id, *Limit
matches.put(name, desc);
}
}
}
}
List<AttributeDescriptor> sorted =
new ArrayList<AttributeDescriptor>(matches.size());
sorted.addAll(matches.values());
Collections.sort(sorted);
// Extract just the name+description pairs, since we don't want to
// use the full attribute descriptor (which forces the namespace
// prefix to be included)
List<Pair<String, String>> pairs =
new ArrayList<Pair<String, String>>(sorted.size());
for (AttributeDescriptor d : sorted) {
pairs.add(Pair.of(d.getXmlLocalName(), d.getAttributeInfo().getJavaDoc()));
}
addMatchingProposals(proposals, pairs.toArray(), offset, node, wordPrefix,
(char) 0 /* needTag */, true /* isAttribute */, false /* isNew */,
skipEndTag /* skipEndTag */, replaceLength);
}
}
return false;
} else {
return super.computeAttributeValues(proposals, offset, parentTagName, attributeName,
node, wordPrefix, skipEndTag, replaceLength);
}
}
}
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