1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Eclipse Public License, Version 1.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.eclipse.org/org/documents/epl-v10.php 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.ide.common.layout; 18 19 import static com.android.ide.common.layout.LayoutConstants.ANDROID_URI; 20 import static com.android.ide.common.layout.LayoutConstants.ATTR_ID; 21 import static com.android.ide.common.layout.LayoutConstants.ATTR_LAYOUT_HEIGHT; 22 import static com.android.ide.common.layout.LayoutConstants.ATTR_LAYOUT_WIDTH; 23 import static com.android.ide.common.layout.LayoutConstants.ATTR_ORIENTATION; 24 import static com.android.ide.common.layout.LayoutConstants.FQCN_FRAME_LAYOUT; 25 import static com.android.ide.common.layout.LayoutConstants.FQCN_LINEAR_LAYOUT; 26 import static com.android.ide.common.layout.LayoutConstants.FQCN_TAB_WIDGET; 27 import static com.android.ide.common.layout.LayoutConstants.VALUE_VERTICAL; 28 import static com.android.ide.common.layout.LayoutConstants.VALUE_WRAP_CONTENT; 29 30 import com.android.ide.common.api.INode; 31 import com.android.ide.common.api.IViewRule; 32 import com.android.ide.common.api.InsertType; 33 34 /** 35 * An {@link IViewRule} for android.widget.TabHost. 36 */ 37 public class TabHostRule extends IgnoredLayoutRule { 38 // The TabHost layout states in its documentation that you typically 39 // manipulate its children via the TabHost rather than directly manipulating 40 // the child elements yourself, e.g. via addTab() etc. 41 42 @Override onCreate(INode node, INode parent, InsertType insertType)43 public void onCreate(INode node, INode parent, InsertType insertType) { 44 super.onCreate(node, parent, insertType); 45 46 if (insertType.isCreate()) { 47 String fillParent = getFillParentValueName(); 48 49 // Configure default Table setup as described in the Table tutorial 50 node.setAttribute(ANDROID_URI, ATTR_ID, "@android:id/tabhost"); //$NON-NLS-1$ 51 node.setAttribute(ANDROID_URI, ATTR_LAYOUT_WIDTH, fillParent); 52 node.setAttribute(ANDROID_URI, ATTR_LAYOUT_HEIGHT, fillParent); 53 54 INode linear = node.appendChild(FQCN_LINEAR_LAYOUT); 55 linear.setAttribute(ANDROID_URI, ATTR_LAYOUT_WIDTH, fillParent); 56 linear.setAttribute(ANDROID_URI, ATTR_LAYOUT_HEIGHT, fillParent); 57 linear.setAttribute(ANDROID_URI, ATTR_ORIENTATION, 58 VALUE_VERTICAL); 59 60 INode tab = linear.appendChild(FQCN_TAB_WIDGET); 61 tab.setAttribute(ANDROID_URI, ATTR_LAYOUT_WIDTH, fillParent); 62 tab.setAttribute(ANDROID_URI, ATTR_LAYOUT_HEIGHT, VALUE_WRAP_CONTENT); 63 tab.setAttribute(ANDROID_URI, ATTR_ID, "@android:id/tabs"); //$NON-NLS-1$ 64 65 INode frame = linear.appendChild(FQCN_FRAME_LAYOUT); 66 frame.setAttribute(ANDROID_URI, ATTR_LAYOUT_WIDTH, fillParent); 67 frame.setAttribute(ANDROID_URI, ATTR_LAYOUT_HEIGHT, fillParent); 68 frame.setAttribute(ANDROID_URI, ATTR_ID, "@android:id/tabcontent"); //$NON-NLS-1$ 69 70 for (int i = 0; i < 3; i++) { 71 INode child = frame.appendChild(FQCN_LINEAR_LAYOUT); 72 child.setAttribute(ANDROID_URI, ATTR_LAYOUT_WIDTH, fillParent); 73 child.setAttribute(ANDROID_URI, ATTR_LAYOUT_HEIGHT, fillParent); 74 child.setAttribute(ANDROID_URI, ATTR_ID, 75 String.format("@+id/tab%d", i + 1)); //$NON-NLS-1$ 76 } 77 } 78 } 79 80 } 81