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/*
* Copyright (C) 2010 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.common.layout;
import static com.android.util.XmlUtils.ANDROID_URI;
import static com.android.ide.common.layout.LayoutConstants.ATTR_ID;
import static com.android.ide.common.layout.LayoutConstants.ATTR_LAYOUT_HEIGHT;
import static com.android.ide.common.layout.LayoutConstants.ATTR_LAYOUT_WIDTH;
import static com.android.ide.common.layout.LayoutConstants.ATTR_ORIENTATION;
import static com.android.ide.common.layout.LayoutConstants.FQCN_FRAME_LAYOUT;
import static com.android.ide.common.layout.LayoutConstants.FQCN_LINEAR_LAYOUT;
import static com.android.ide.common.layout.LayoutConstants.FQCN_TAB_WIDGET;
import static com.android.ide.common.layout.LayoutConstants.VALUE_VERTICAL;
import static com.android.ide.common.layout.LayoutConstants.VALUE_WRAP_CONTENT;
import com.android.ide.common.api.INode;
import com.android.ide.common.api.IViewRule;
import com.android.ide.common.api.InsertType;
/**
* An {@link IViewRule} for android.widget.TabHost.
*/
public class TabHostRule extends IgnoredLayoutRule {
// The TabHost layout states in its documentation that you typically
// manipulate its children via the TabHost rather than directly manipulating
// the child elements yourself, e.g. via addTab() etc.
@Override
public void onCreate(INode node, INode parent, InsertType insertType) {
super.onCreate(node, parent, insertType);
if (insertType.isCreate()) {
String fillParent = getFillParentValueName();
// Configure default Table setup as described in the Table tutorial
node.setAttribute(ANDROID_URI, ATTR_ID, "@android:id/tabhost"); //$NON-NLS-1$
node.setAttribute(ANDROID_URI, ATTR_LAYOUT_WIDTH, fillParent);
node.setAttribute(ANDROID_URI, ATTR_LAYOUT_HEIGHT, fillParent);
INode linear = node.appendChild(FQCN_LINEAR_LAYOUT);
linear.setAttribute(ANDROID_URI, ATTR_LAYOUT_WIDTH, fillParent);
linear.setAttribute(ANDROID_URI, ATTR_LAYOUT_HEIGHT, fillParent);
linear.setAttribute(ANDROID_URI, ATTR_ORIENTATION,
VALUE_VERTICAL);
INode tab = linear.appendChild(FQCN_TAB_WIDGET);
tab.setAttribute(ANDROID_URI, ATTR_LAYOUT_WIDTH, fillParent);
tab.setAttribute(ANDROID_URI, ATTR_LAYOUT_HEIGHT, VALUE_WRAP_CONTENT);
tab.setAttribute(ANDROID_URI, ATTR_ID, "@android:id/tabs"); //$NON-NLS-1$
INode frame = linear.appendChild(FQCN_FRAME_LAYOUT);
frame.setAttribute(ANDROID_URI, ATTR_LAYOUT_WIDTH, fillParent);
frame.setAttribute(ANDROID_URI, ATTR_LAYOUT_HEIGHT, fillParent);
frame.setAttribute(ANDROID_URI, ATTR_ID, "@android:id/tabcontent"); //$NON-NLS-1$
for (int i = 0; i < 3; i++) {
INode child = frame.appendChild(FQCN_LINEAR_LAYOUT);
child.setAttribute(ANDROID_URI, ATTR_LAYOUT_WIDTH, fillParent);
child.setAttribute(ANDROID_URI, ATTR_LAYOUT_HEIGHT, fillParent);
child.setAttribute(ANDROID_URI, ATTR_ID,
String.format("@+id/tab%d", i + 1)); //$NON-NLS-1$
}
}
}
}
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