1 /* 2 * Copyright (C) 2011 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 package com.android.ide.eclipse.adt.internal.lint; 17 18 import com.android.ide.eclipse.adt.AdtPlugin; 19 20 import org.eclipse.core.runtime.IStatus; 21 import org.eclipse.core.runtime.Status; 22 import org.eclipse.jface.viewers.CheckboxTableViewer; 23 import org.eclipse.jface.viewers.IStructuredContentProvider; 24 import org.eclipse.jface.viewers.Viewer; 25 import org.eclipse.swt.SWT; 26 import org.eclipse.swt.layout.GridData; 27 import org.eclipse.swt.layout.GridLayout; 28 import org.eclipse.swt.widgets.Composite; 29 import org.eclipse.swt.widgets.Control; 30 import org.eclipse.swt.widgets.Event; 31 import org.eclipse.swt.widgets.Label; 32 import org.eclipse.swt.widgets.Listener; 33 import org.eclipse.swt.widgets.Shell; 34 import org.eclipse.swt.widgets.Table; 35 import org.eclipse.ui.dialogs.SelectionStatusDialog; 36 37 /** 38 * Dialog for editing visible columns in the {@link LintList} 39 */ 40 class ColumnDialog extends SelectionStatusDialog implements Listener, IStructuredContentProvider { 41 private LintColumn[] mColumns; 42 private LintColumn[] mSelectedColumns; 43 private CheckboxTableViewer mViewer; 44 ColumnDialog(Shell parent, LintColumn[] fields, LintColumn[] selected)45 public ColumnDialog(Shell parent, LintColumn[] fields, LintColumn[] selected) { 46 super(parent); 47 mColumns = fields; 48 mSelectedColumns = selected; 49 setTitle("Select Visible Columns"); 50 setHelpAvailable(false); 51 } 52 53 @Override createDialogArea(Composite parent)54 protected Control createDialogArea(Composite parent) { 55 Composite container = new Composite(parent, SWT.NONE); 56 container.setLayout(new GridLayout(1, false)); 57 GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1); 58 // Wide enough to accommodate the error label 59 gridData.widthHint = 500; 60 container.setLayoutData(gridData); 61 62 Label lblSelectVisibleColumns = new Label(container, SWT.NONE); 63 lblSelectVisibleColumns.setText("Select visible columns:"); 64 65 mViewer = CheckboxTableViewer.newCheckList(container, 66 SWT.BORDER | SWT.FULL_SELECTION | SWT.HIDE_SELECTION); 67 Table table = mViewer.getTable(); 68 table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1)); 69 mViewer.setContentProvider(this); 70 71 mViewer.setInput(mColumns); 72 mViewer.setCheckedElements(mSelectedColumns); 73 74 validate(); 75 76 return container; 77 } 78 79 @Override computeResult()80 protected void computeResult() { 81 Object[] checked = mViewer.getCheckedElements(); 82 mSelectedColumns = new LintColumn[checked.length]; 83 for (int i = 0, n = checked.length; i < n; i++) { 84 mSelectedColumns[i] = (LintColumn) checked[i]; 85 } 86 } 87 getSelectedColumns()88 public LintColumn[] getSelectedColumns() { 89 return mSelectedColumns; 90 } 91 92 @Override handleEvent(Event event)93 public void handleEvent(Event event) { 94 validate(); 95 } 96 validate()97 private void validate() { 98 IStatus status; 99 computeResult(); 100 101 if (mViewer.getCheckedElements().length <= 1) { 102 status = new Status(IStatus.ERROR, AdtPlugin.PLUGIN_ID, 103 "Must selected at least one column"); 104 } else { 105 status = new Status(IStatus.OK, AdtPlugin.PLUGIN_ID, null); 106 } 107 updateStatus(status); 108 } 109 110 // ---- Implements IStructuredContentProvider ---- 111 112 @Override dispose()113 public void dispose() { 114 } 115 116 @Override inputChanged(Viewer viewer, Object oldInput, Object newInput)117 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { 118 } 119 120 @Override getElements(Object inputElement)121 public Object[] getElements(Object inputElement) { 122 return mColumns; 123 } 124 }