| /******************************************************************************* |
| * Copyright (c) 2000, 2011 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.ui.actions.variables.details; |
| |
| import org.eclipse.debug.internal.core.IInternalDebugCoreConstants; |
| import org.eclipse.debug.internal.ui.DebugUIPlugin; |
| import org.eclipse.debug.internal.ui.IDebugHelpContextIds; |
| import org.eclipse.debug.internal.ui.views.variables.VariablesViewMessages; |
| import org.eclipse.debug.ui.IDebugUIConstants; |
| import org.eclipse.jface.dialogs.IDialogConstants; |
| import org.eclipse.jface.dialogs.IDialogSettings; |
| import org.eclipse.jface.dialogs.IInputValidator; |
| import org.eclipse.jface.dialogs.TrayDialog; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.ModifyEvent; |
| import org.eclipse.swt.events.ModifyListener; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.Text; |
| import org.eclipse.ui.PlatformUI; |
| |
| /** |
| * Provides a dialog for changing the maximum length allowed in the detail pane |
| * |
| * @since 3.0 |
| */ |
| public class DetailPaneMaxLengthDialog extends TrayDialog { |
| |
| private static final String SETTINGS_ID = DebugUIPlugin.getUniqueIdentifier() + ".MAX_DETAILS_LENGTH_DIALOG"; //$NON-NLS-1$ |
| |
| private Text fTextWidget; |
| private Text fErrorTextWidget; |
| private String fErrorMessage; |
| private String fValue; |
| private IInputValidator fValidator; |
| |
| /** |
| * Constructs a new dialog on the given shell. |
| * |
| * @param parent shell |
| */ |
| public DetailPaneMaxLengthDialog(Shell parent) { |
| super(parent); |
| setShellStyle(getShellStyle() | SWT.RESIZE); |
| fValue = Integer.toString(DebugUIPlugin.getDefault().getPreferenceStore().getInt(IDebugUIConstants.PREF_MAX_DETAIL_LENGTH)); |
| fValidator = new IInputValidator() { |
| @Override |
| public String isValid(String newText) { |
| try { |
| int num = Integer.parseInt(newText); |
| if (num < 0) { |
| return VariablesViewMessages.DetailPaneMaxLengthDialog_2; |
| } |
| } catch (NumberFormatException e) { |
| return VariablesViewMessages.DetailPaneMaxLengthDialog_3; |
| } |
| return null; |
| } |
| |
| }; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.dialogs.SelectionDialog#getDialogBoundsSettings() |
| */ |
| @Override |
| protected IDialogSettings getDialogBoundsSettings() { |
| IDialogSettings settings = DebugUIPlugin.getDefault().getDialogSettings(); |
| IDialogSettings section = settings.getSection(SETTINGS_ID); |
| if (section == null) { |
| section = settings.addNewSection(SETTINGS_ID); |
| } |
| return section; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.dialogs.Dialog#createContents(org.eclipse.swt.widgets.Composite) |
| */ |
| @Override |
| protected Control createContents(Composite parent) { |
| getShell().setText(VariablesViewMessages.DetailPaneMaxLengthDialog_0); |
| Control contents = super.createContents(parent); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(getDialogArea(), IDebugHelpContextIds.DETAIL_PANE_MAX_LENGTH_ACTION); |
| return contents; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite) |
| */ |
| @Override |
| protected Control createDialogArea(Composite parent) { |
| Composite composite = (Composite) super.createDialogArea(parent); |
| Label label = new Label(composite, SWT.WRAP); |
| label.setText(VariablesViewMessages.DetailPaneMaxLengthDialog_1); |
| GridData data = new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_CENTER); |
| data.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH); |
| label.setLayoutData(data); |
| label.setFont(parent.getFont()); |
| fTextWidget = new Text(composite, SWT.SINGLE | SWT.BORDER); |
| fTextWidget.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL)); |
| fTextWidget.setText(fValue); |
| fTextWidget.addModifyListener(new ModifyListener() { |
| @Override |
| public void modifyText(ModifyEvent e) { |
| validateInput(); |
| fValue = fTextWidget.getText(); |
| } |
| }); |
| fErrorTextWidget = new Text(composite, SWT.READ_ONLY); |
| fErrorTextWidget.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL |
| | GridData.HORIZONTAL_ALIGN_FILL)); |
| fErrorTextWidget.setBackground(fErrorTextWidget.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND)); |
| setErrorMessage(fErrorMessage); |
| applyDialogFont(composite); |
| return composite; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.dialogs.Dialog#okPressed() |
| */ |
| @Override |
| protected void okPressed() { |
| String text = getValue(); |
| try { |
| DebugUIPlugin.getDefault().getPreferenceStore().setValue(IDebugUIConstants.PREF_MAX_DETAIL_LENGTH, Integer.parseInt(text)); |
| } |
| catch (NumberFormatException e) { |
| DebugUIPlugin.log(e); |
| } |
| super.okPressed(); |
| } |
| |
| /** |
| * Returns the string typed into this input dialog. |
| * |
| * @return the input string |
| * @since 3.3 |
| */ |
| public String getValue() { |
| return fValue; |
| } |
| |
| /** |
| * Validates the current input |
| * @since 3.3 |
| */ |
| private void validateInput() { |
| String errorMessage = null; |
| if (fValidator != null) { |
| errorMessage = fValidator.isValid(fTextWidget.getText()); |
| } |
| setErrorMessage(errorMessage); |
| } |
| |
| /** |
| * Sets the current error message or none if null |
| * @param errorMessage the message to display |
| * @since 3.3 |
| */ |
| public void setErrorMessage(String errorMessage) { |
| fErrorMessage = errorMessage; |
| if (fErrorTextWidget != null && !fErrorTextWidget.isDisposed()) { |
| fErrorTextWidget.setText(errorMessage == null ? IInternalDebugCoreConstants.EMPTY_STRING : errorMessage); |
| fErrorTextWidget.getParent().update(); |
| // Access the ok button by id, in case clients have overridden button creation. |
| // See https://bugs.eclipse.org/bugs/show_bug.cgi?id=113643 |
| Control button = getButton(IDialogConstants.OK_ID); |
| if (button != null) { |
| button.setEnabled(errorMessage == null); |
| } |
| } |
| } |
| } |