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/*
* 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.lint;
import com.android.ide.eclipse.adt.AdtPlugin;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.viewers.CheckboxTableViewer;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.ui.dialogs.SelectionStatusDialog;
/**
* Dialog for editing visible columns in the {@link LintList}
*/
class ColumnDialog extends SelectionStatusDialog implements Listener, IStructuredContentProvider {
private LintColumn[] mColumns;
private LintColumn[] mSelectedColumns;
private CheckboxTableViewer mViewer;
public ColumnDialog(Shell parent, LintColumn[] fields, LintColumn[] selected) {
super(parent);
mColumns = fields;
mSelectedColumns = selected;
setTitle("Select Visible Columns");
setHelpAvailable(false);
}
@Override
protected Control createDialogArea(Composite parent) {
Composite container = new Composite(parent, SWT.NONE);
container.setLayout(new GridLayout(1, false));
GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1);
// Wide enough to accommodate the error label
gridData.widthHint = 500;
container.setLayoutData(gridData);
Label lblSelectVisibleColumns = new Label(container, SWT.NONE);
lblSelectVisibleColumns.setText("Select visible columns:");
mViewer = CheckboxTableViewer.newCheckList(container,
SWT.BORDER | SWT.FULL_SELECTION | SWT.HIDE_SELECTION);
Table table = mViewer.getTable();
table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
mViewer.setContentProvider(this);
mViewer.setInput(mColumns);
mViewer.setCheckedElements(mSelectedColumns);
validate();
return container;
}
@Override
protected void computeResult() {
Object[] checked = mViewer.getCheckedElements();
mSelectedColumns = new LintColumn[checked.length];
for (int i = 0, n = checked.length; i < n; i++) {
mSelectedColumns[i] = (LintColumn) checked[i];
}
}
public LintColumn[] getSelectedColumns() {
return mSelectedColumns;
}
@Override
public void handleEvent(Event event) {
validate();
}
private void validate() {
IStatus status;
computeResult();
if (mViewer.getCheckedElements().length <= 1) {
status = new Status(IStatus.ERROR, AdtPlugin.PLUGIN_ID,
"Must selected at least one column");
} else {
status = new Status(IStatus.OK, AdtPlugin.PLUGIN_ID, null);
}
updateStatus(status);
}
// ---- Implements IStructuredContentProvider ----
@Override
public void dispose() {
}
@Override
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
}
@Override
public Object[] getElements(Object inputElement) {
return mColumns;
}
}
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