CreateProfileDialog.java example

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/*******************************************************************************
 * Copyright (c) 2013 Zend Techologies Ltd.
 * 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:
 *     Zend Technologies Ltd. - initial API and implementation
 *******************************************************************************/
package org.eclipse.php.formatter.ui.preferences;

import java.util.List;
import java.util.Map;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.IDialogSettings;
import org.eclipse.jface.dialogs.StatusDialog;
import org.eclipse.php.formatter.ui.FormatterMessages;
import org.eclipse.php.formatter.ui.FormatterUIPlugin;
import org.eclipse.php.formatter.ui.preferences.ProfileManager.CustomProfile;
import org.eclipse.php.formatter.ui.preferences.ProfileManager.Profile;
import org.eclipse.php.internal.ui.util.StatusInfo;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.*;

/**
 * The dialog to create a new profile.
 */
public class CreateProfileDialog extends StatusDialog {

	private static final String PREF_OPEN_EDIT_DIALOG = FormatterUIPlugin.PLUGIN_ID
			+ ".codeformatter.create_profile_dialog.open_edit"; //$NON-NLS-1$

	private Text fNameText;
	private Combo fProfileCombo;
	private Button fEditCheckbox;

	private final static StatusInfo fOk = new StatusInfo();
	private final static StatusInfo fEmpty = new StatusInfo(IStatus.ERROR,
			FormatterMessages.CreateProfileDialog_status_message_profile_name_is_empty);
	private final static StatusInfo fDuplicate = new StatusInfo(IStatus.ERROR,
			FormatterMessages.CreateProfileDialog_status_message_profile_with_this_name_already_exists);

	private final ProfileManager fProfileManager;
	private final List<Profile> fSortedProfiles;
	private final String[] fSortedNames;

	private CustomProfile fCreatedProfile;
	protected boolean fOpenEditDialog;

	public CreateProfileDialog(Shell parentShell, ProfileManager profileManager) {
		super(parentShell);
		fProfileManager = profileManager;
		fSortedProfiles = fProfileManager.getSortedProfiles();
		fSortedNames = fProfileManager.getSortedDisplayNames();
	}

	@Override
	public void create() {
		super.create();
		setTitle(FormatterMessages.CreateProfileDialog_dialog_title);
	}

	@Override
	public Control createDialogArea(Composite parent) {

		final int numColumns = 2;

		GridData gd;

		final GridLayout layout = new GridLayout(numColumns, false);
		layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
		layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
		layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
		layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);

		final Composite composite = new Composite(parent, SWT.NONE);
		composite.setLayout(layout);

		// Create "Profile name:" label
		gd = new GridData(GridData.FILL_HORIZONTAL);
		gd.horizontalSpan = numColumns;
		gd.widthHint = convertWidthInCharsToPixels(60);
		final Label nameLabel = new Label(composite, SWT.WRAP);
		nameLabel.setText(FormatterMessages.CreateProfileDialog_profile_name_label_text);
		nameLabel.setLayoutData(gd);

		// Create text field to enter name
		gd = new GridData(GridData.FILL_HORIZONTAL);
		gd.horizontalSpan = numColumns;
		fNameText = new Text(composite, SWT.SINGLE | SWT.BORDER);
		fNameText.setLayoutData(gd);
		fNameText.addModifyListener(new ModifyListener() {
			@Override
			public void modifyText(ModifyEvent e) {
				doValidation();
			}
		});

		// Create "Initialize settings ..." label
		gd = new GridData();
		gd.horizontalSpan = numColumns;
		Label profileLabel = new Label(composite, SWT.WRAP);
		profileLabel.setText(FormatterMessages.CreateProfileDialog_base_profile_label_text);
		profileLabel.setLayoutData(gd);

		gd = new GridData(GridData.FILL_HORIZONTAL);
		gd.horizontalSpan = numColumns;
		fProfileCombo = new Combo(composite, SWT.DROP_DOWN | SWT.READ_ONLY);
		fProfileCombo.setLayoutData(gd);

		// "Open the edit dialog now" checkbox
		gd = new GridData();
		gd.horizontalSpan = numColumns;
		fEditCheckbox = new Button(composite, SWT.CHECK);
		fEditCheckbox.setText(FormatterMessages.CreateProfileDialog_open_edit_dialog_checkbox_text);
		fEditCheckbox.addSelectionListener(new SelectionListener() {
			@Override
			public void widgetSelected(SelectionEvent e) {
				fOpenEditDialog = ((Button) e.widget).getSelection();
			}

			@Override
			public void widgetDefaultSelected(SelectionEvent e) {
			}
		});

		final IDialogSettings dialogSettings = FormatterUIPlugin.getDefault().getDialogSettings();// .get(PREF_OPEN_EDIT_DIALOG);
		if (dialogSettings.get(PREF_OPEN_EDIT_DIALOG) != null) {
			fOpenEditDialog = dialogSettings.getBoolean(PREF_OPEN_EDIT_DIALOG);
		} else {
			fOpenEditDialog = true;
		}
		fEditCheckbox.setSelection(fOpenEditDialog);

		fProfileCombo.setItems(fSortedNames);
		updateStatus(fEmpty);

		applyDialogFont(composite);

		fNameText.setFocus();

		return composite;
	}

	/**
	 * Validate the current settings
	 */
	protected void doValidation() {
		final String name = fNameText.getText().trim();

		if (fProfileManager.containsName(name)) {
			updateStatus(fDuplicate);
			return;
		}
		if (name.length() == 0) {
			updateStatus(fEmpty);
			return;
		}
		updateStatus(fOk);
	}

	@Override
	protected void okPressed() {
		if (!getStatus().isOK())
			return;

		FormatterUIPlugin.getDefault().getDialogSettings().put(PREF_OPEN_EDIT_DIALOG, fOpenEditDialog);

		final Map<String, Object> preferences = fSortedProfiles.get(fProfileCombo.getSelectionIndex()).getSettings();

		final String profileName = fNameText.getText();

		fCreatedProfile = new CustomProfile(profileName, preferences);
		fProfileManager.addProfile(fCreatedProfile);
		super.okPressed();
	}

	public final CustomProfile getCreatedProfile() {
		return fCreatedProfile;
	}

	public final boolean openEditDialog() {
		return fOpenEditDialog;
	}
}