diff options
Diffstat (limited to 'eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/gre/PaletteMetadataDescriptor.java')
-rw-r--r-- | eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/gre/PaletteMetadataDescriptor.java | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/gre/PaletteMetadataDescriptor.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/gre/PaletteMetadataDescriptor.java new file mode 100644 index 000000000..884cb077a --- /dev/null +++ b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/gre/PaletteMetadataDescriptor.java @@ -0,0 +1,120 @@ +/* + * 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); + } + } + } + } +} |