Java tutorial
/******************************************************************************* * Copyright (c) 2005, 2013 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.summer.sdt.internal.ui.dialogs; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.graphics.Image; 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.Label; import org.eclipse.swt.widgets.Link; import org.eclipse.swt.widgets.Shell; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.IDialogSettings; import org.eclipse.jface.window.Window; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.dialogs.PreferencesUtil; import org.summer.sdt.internal.ui.IJavaHelpContextIds; import org.summer.sdt.internal.ui.JavaPlugin; import org.summer.sdt.internal.ui.preferences.MembersOrderPreferencePage; import org.summer.sdt.internal.ui.wizards.dialogfields.DialogField; import org.summer.sdt.internal.ui.wizards.dialogfields.IDialogFieldListener; import org.summer.sdt.internal.ui.wizards.dialogfields.LayoutUtil; import org.summer.sdt.internal.ui.wizards.dialogfields.SelectionButtonDialogField; public class SortMembersMessageDialog extends OptionalMessageDialog { private final static String OPTIONAL_ID = "SortMembersMessageDialog.optionalDialog.id"; //$NON-NLS-1$ private final static String DIALOG_SETTINGS_SORT_ALL = "SortMembers.sort_all"; //$NON-NLS-1$ private SelectionButtonDialogField fNotSortAllRadio; private SelectionButtonDialogField fSortAllRadio; private final IDialogSettings fDialogSettings; public SortMembersMessageDialog(Shell parentShell) { super(OPTIONAL_ID, parentShell, DialogsMessages.SortMembersMessageDialog_dialog_title, null, new String(), INFORMATION, new String[] { IDialogConstants.OK_LABEL, IDialogConstants.CANCEL_LABEL }, 0); fDialogSettings = JavaPlugin.getDefault().getDialogSettings(); boolean isSortAll = fDialogSettings.getBoolean(DIALOG_SETTINGS_SORT_ALL); fNotSortAllRadio = new SelectionButtonDialogField(SWT.RADIO); fNotSortAllRadio.setLabelText(DialogsMessages.SortMembersMessageDialog_do_not_sort_fields_label); fNotSortAllRadio.setSelection(!isSortAll); fSortAllRadio = new SelectionButtonDialogField(SWT.RADIO); fSortAllRadio.setLabelText(DialogsMessages.SortMembersMessageDialog_sort_all_label); fSortAllRadio.setSelection(isSortAll); } /* * @see org.eclipse.jface.dialogs.Dialog#isResizable() * @since 3.4 */ @Override protected boolean isResizable() { return true; } private Control createLinkControl(Composite composite) { Link link = new Link(composite, SWT.WRAP | SWT.RIGHT); link.setText(DialogsMessages.SortMembersMessageDialog_description); link.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { openMembersSortOrderPage(); } }); link.setToolTipText(DialogsMessages.SortMembersMessageDialog_link_tooltip); GridData gridData = new GridData(GridData.FILL, GridData.CENTER, true, false); gridData.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH);//convertWidthInCharsToPixels(60); link.setLayoutData(gridData); link.setFont(composite.getFont()); return link; } /** * Opens the 'Members Sort Order' preference page. */ protected void openMembersSortOrderPage() { PreferencesUtil.createPreferenceDialogOn(getShell(), MembersOrderPreferencePage.PREF_ID, null, null).open(); } /* * @see org.eclipse.jface.dialogs.IconAndMessageDialog#createContents(org.eclipse.swt.widgets.Composite) */ @Override protected Control createContents(Composite parent) { Control contents = super.createContents(parent); PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, IJavaHelpContextIds.SORT_MEMBERS_DIALOG); return contents; } /* (non-Javadoc) * @see org.eclipse.jface.dialogs.IconAndMessageDialog#createMessageArea(org.eclipse.swt.widgets.Composite) */ @Override protected Control createMessageArea(Composite parent) { initializeDialogUnits(parent); Composite messageComposite = new Composite(parent, SWT.NONE); messageComposite.setFont(parent.getFont()); GridLayout layout = new GridLayout(); layout.numColumns = 1; layout.marginHeight = 0; layout.marginWidth = 0; layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING); layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING); messageComposite.setLayout(layout); messageComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); createLinkControl(messageComposite); fNotSortAllRadio.doFillIntoGrid(messageComposite, 1); LayoutUtil.setHorizontalIndent(fNotSortAllRadio.getSelectionButton(null)); fSortAllRadio.doFillIntoGrid(messageComposite, 1); LayoutUtil.setHorizontalIndent(fSortAllRadio.getSelectionButton(null)); final Composite warningComposite = new Composite(messageComposite, SWT.NONE); layout = new GridLayout(); layout.numColumns = 2; layout.marginWidth = 0; layout.marginHeight = 0; warningComposite.setLayout(layout); warningComposite.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false)); warningComposite.setFont(messageComposite.getFont()); Image image = Dialog.getImage(Dialog.DLG_IMG_MESSAGE_WARNING); final Label imageLabel1 = new Label(warningComposite, SWT.LEFT | SWT.WRAP); imageLabel1.setImage(image); imageLabel1.setLayoutData(new GridData(GridData.BEGINNING, GridData.CENTER, false, false, 1, 1)); final Label label = new Label(warningComposite, SWT.WRAP); label.setText(DialogsMessages.SortMembersMessageDialog_sort_warning_label); GridData gridData = new GridData(GridData.FILL, GridData.CENTER, true, false, 1, 1); gridData.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH); label.setLayoutData(gridData); label.setFont(warningComposite.getFont()); fNotSortAllRadio.setDialogFieldListener(new IDialogFieldListener() { public void dialogFieldChanged(DialogField field) { imageLabel1.setEnabled(!fNotSortAllRadio.isSelected()); label.setEnabled(!fNotSortAllRadio.isSelected()); } }); imageLabel1.setEnabled(!fNotSortAllRadio.isSelected()); label.setEnabled(!fNotSortAllRadio.isSelected()); return messageComposite; } /* (non-Javadoc) * @see org.eclipse.jface.window.Window#open() */ @Override public int open() { if (isDialogEnabled(OPTIONAL_ID)) return super.open(); return Window.OK; } /* (non-Javadoc) * @see org.eclipse.jface.dialogs.Dialog#close() */ @Override public boolean close() { fDialogSettings.put(DIALOG_SETTINGS_SORT_ALL, fSortAllRadio.isSelected()); return super.close(); } public boolean isNotSortingFieldsEnabled() { return fNotSortAllRadio.isSelected(); } }