1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 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.ddmuilib; 18 19 import com.android.ddmuilib.ITableFocusListener.IFocusedTableActivator; 20 21 import org.eclipse.swt.dnd.Clipboard; 22 import org.eclipse.swt.dnd.TextTransfer; 23 import org.eclipse.swt.dnd.Transfer; 24 import org.eclipse.swt.events.FocusEvent; 25 import org.eclipse.swt.events.FocusListener; 26 import org.eclipse.swt.widgets.Table; 27 import org.eclipse.swt.widgets.TableItem; 28 29 import java.util.Arrays; 30 31 /** 32 * Base class for panel containing Table that need to support copy-paste-selectAll 33 */ 34 public abstract class TablePanel extends ClientDisplayPanel { 35 private ITableFocusListener mGlobalListener; 36 37 /** 38 * Sets a TableFocusListener which will be notified when one of the tables 39 * gets or loses focus. 40 * 41 * @param listener 42 */ setTableFocusListener(ITableFocusListener listener)43 public final void setTableFocusListener(ITableFocusListener listener) { 44 // record the global listener, to make sure table created after 45 // this call will still be setup. 46 mGlobalListener = listener; 47 48 setTableFocusListener(); 49 } 50 51 /** 52 * Sets up the Table of object of the panel to work with the global listener.<br> 53 * Default implementation does nothing. 54 */ setTableFocusListener()55 protected void setTableFocusListener() { 56 57 } 58 59 /** 60 * Sets up a Table object to notify the global Table Focus listener when it 61 * gets or loses the focus. 62 * 63 * @param table the Table object. 64 * @param colStart 65 * @param colEnd 66 */ addTableToFocusListener(final Table table, final int colStart, final int colEnd)67 protected final void addTableToFocusListener(final Table table, 68 final int colStart, final int colEnd) { 69 // create the activator for this table 70 final IFocusedTableActivator activator = new IFocusedTableActivator() { 71 public void copy(Clipboard clipboard) { 72 int[] selection = table.getSelectionIndices(); 73 74 // we need to sort the items to be sure. 75 Arrays.sort(selection); 76 77 // all lines must be concatenated. 78 StringBuilder sb = new StringBuilder(); 79 80 // loop on the selection and output the file. 81 for (int i : selection) { 82 TableItem item = table.getItem(i); 83 for (int c = colStart ; c <= colEnd ; c++) { 84 sb.append(item.getText(c)); 85 sb.append('\t'); 86 } 87 sb.append('\n'); 88 } 89 90 // now add that to the clipboard if the string has content 91 String data = sb.toString(); 92 if (data != null || data.length() > 0) { 93 clipboard.setContents( 94 new Object[] { data }, 95 new Transfer[] { TextTransfer.getInstance() }); 96 } 97 } 98 99 public void selectAll() { 100 table.selectAll(); 101 } 102 }; 103 104 // add the focus listener on the table to notify the global listener 105 table.addFocusListener(new FocusListener() { 106 public void focusGained(FocusEvent e) { 107 mGlobalListener.focusGained(activator); 108 } 109 110 public void focusLost(FocusEvent e) { 111 mGlobalListener.focusLost(activator); 112 } 113 }); 114 } 115 116 /** 117 * Sets up a Table object to notify the global Table Focus listener when it 118 * gets or loses the focus.<br> 119 * When the copy method is invoked, all columns are put in the clipboard, separated 120 * by tabs 121 * 122 * @param table the Table object. 123 */ addTableToFocusListener(final Table table)124 protected final void addTableToFocusListener(final Table table) { 125 addTableToFocusListener(table, 0, table.getColumnCount()-1); 126 } 127 128 } 129