core/plugins/org.eclipse.dltk.ui/src/org/eclipse/dltk/ui/dialogs/MultipleInputDialog.java - dltk/org.eclipse.dltk.core - Git at Google

 /*******************************************************************************
  * Copyright (c) 2003, 2017 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.dltk.ui.dialogs;

 import java.io.File;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;

 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.IDialogConstants;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.DirectoryDialog;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.swt.widgets.Text;

 /**
  * @since 2.0
  */
 public class MultipleInputDialog extends Dialog {
 	protected static final String FIELD_NAME = "FIELD_NAME"; //$NON-NLS-1$
 	protected static final int TEXT = 100;
 	protected static final int BROWSE = 101;
 	protected static final int VARIABLE = 102;
 	protected static final int LABEL = 103;

 	protected Composite panel;

 	protected List<FieldSummary> fieldList = new ArrayList<>();
 	protected List<Text> controlList = new ArrayList<>();
 	protected List<Validator> validators = new ArrayList<>();
 	protected Map<String, Object> valueMap = new HashMap<>();

 	private String title;

 	public MultipleInputDialog(Shell shell, String title) {
 		super(shell);
 		this.title = title;
 		setShellStyle(getShellStyle() | SWT.RESIZE);
 	}

 	@Override
 	protected void configureShell(Shell shell) {
 		super.configureShell(shell);
 		if (title != null) {
 			shell.setText(title);
 		}

 	}

 	@Override
 	protected Control createButtonBar(Composite parent) {
 		Control bar = super.createButtonBar(parent);
 		validateFields();
 		return bar;
 	}

 	@Override
 	protected Control createDialogArea(Composite parent) {
 		Composite container = (Composite) super.createDialogArea(parent);
 		container.setLayout(new GridLayout(2, false));
 		container.setLayoutData(new GridData(GridData.FILL_BOTH));

 		panel = new Composite(container, SWT.NONE);
 		GridLayout layout = new GridLayout(2, false);
 		panel.setLayout(layout);
 		panel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 		for (FieldSummary field : fieldList) {
 			switch (field.type) {
 			case TEXT:
 				createTextField(field.name, field.initialValue,
 						field.allowsEmpty);
 				break;
 			case BROWSE:
 				createBrowseField(field.name, field.initialValue,
 						field.allowsEmpty);
 				break;
 			case VARIABLE:
 				createVariablesField(field.name, field.initialValue,
 						field.allowsEmpty);
 				break;
 			case LABEL:
 				createLabelField(field.name);
 				break;
 			}
 		}

 		fieldList = null; // allow it to be gc'd
 		Dialog.applyDialogFont(container);
 		return container;
 	}

 	public void addBrowseField(String labelText, String initialValue,
 			boolean allowsEmpty) {
 		fieldList.add(
 				new FieldSummary(BROWSE, labelText, initialValue, allowsEmpty));
 	}

 	public void addTextField(String labelText, String initialValue,
 			boolean allowsEmpty) {
 		fieldList.add(
 				new FieldSummary(TEXT, labelText, initialValue, allowsEmpty));
 	}

 	public void addVariablesField(String labelText, String initialValue,
 			boolean allowsEmpty) {
 		fieldList.add(new FieldSummary(VARIABLE, labelText, initialValue,
 				allowsEmpty));
 	}

 	public void addLabelField(String labelText) {
 		fieldList.add(new FieldSummary(LABEL, labelText, null, false));
 	}

 	protected void createTextField(String labelText, String initialValue,
 			boolean allowEmpty) {
 		Label label = new Label(panel, SWT.NONE);
 		label.setText(labelText);
 		label.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));

 		final Text text = new Text(panel, SWT.SINGLE | SWT.BORDER);
 		text.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		text.setData(FIELD_NAME, labelText);

 		// make sure rows are the same height on both panels.
 		label.setSize(label.getSize().x, text.getSize().y);

 		if (initialValue != null) {
 			text.setText(initialValue);
 		}

 		if (!allowEmpty) {
 			validators.add(new Validator() {
 				@Override
 				public boolean validate() {
 					return !text.getText().equals(""); //$NON-NLS-1$
 				}
 			});
 			text.addModifyListener(e -> validateFields());
 		}

 		controlList.add(text);
 	}

 	protected void createBrowseField(String labelText, String initialValue,
 			boolean allowEmpty) {
 		Label label = new Label(panel, SWT.NONE);
 		label.setText(labelText);
 		label.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));

 		Composite comp = new Composite(panel, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.marginHeight = 0;
 		layout.marginWidth = 0;
 		comp.setLayout(layout);
 		comp.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 		final Text text = new Text(comp, SWT.SINGLE | SWT.BORDER);
 		GridData data = new GridData(GridData.FILL_HORIZONTAL);
 		data.widthHint = 200;
 		text.setLayoutData(data);
 		text.setData(FIELD_NAME, labelText);

 		// make sure rows are the same height on both panels.
 		label.setSize(label.getSize().x, text.getSize().y);

 		if (initialValue != null) {
 			text.setText(initialValue);
 		}

 		if (!allowEmpty) {
 			validators.add(new Validator() {
 				@Override
 				public boolean validate() {
 					return !text.getText().equals(""); //$NON-NLS-1$
 				}
 			});

 			text.addModifyListener(e -> validateFields());
 		}

 		Button button = createButton(comp, IDialogConstants.IGNORE_ID,
 				DialogMessages.MultipleInputDialog_ignore, false);
 		button.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				DirectoryDialog dialog = new DirectoryDialog(getShell());
 				dialog.setMessage(""); //$NON-NLS-1$
 				String currentWorkingDir = text.getText();
 				if (!currentWorkingDir.trim().equals("")) { //$NON-NLS-1$
 					File path = new File(currentWorkingDir);
 					if (path.exists()) {
 						dialog.setFilterPath(currentWorkingDir);
 					}
 				}

 				String selectedDirectory = dialog.open();
 				if (selectedDirectory != null) {
 					text.setText(selectedDirectory);
 				}
 			}
 		});

 		controlList.add(text);

 	}

 	public void createVariablesField(String labelText, String initialValue,
 			boolean allowEmpty) {
 		Label label = new Label(panel, SWT.NONE);
 		label.setText(labelText);
 		label.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));

 		Composite comp = new Composite(panel, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.marginHeight = 0;
 		layout.marginWidth = 0;
 		comp.setLayout(layout);
 		comp.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 		final Text text = new Text(comp, SWT.SINGLE | SWT.BORDER);
 		GridData data = new GridData(GridData.FILL_HORIZONTAL);
 		data.widthHint = 200;
 		text.setLayoutData(data);
 		text.setData(FIELD_NAME, labelText);

 		// make sure rows are the same height on both panels.
 		label.setSize(label.getSize().x, text.getSize().y);

 		if (initialValue != null) {
 			text.setText(initialValue);
 		}

 		if (!allowEmpty) {
 			validators.add(new Validator() {
 				@Override
 				public boolean validate() {
 					return !text.getText().equals(""); //$NON-NLS-1$
 				}
 			});

 			text.addModifyListener(e -> validateFields());
 		}

 		// Button button = createButton(comp, IDialogConstants.IGNORE_ID,
 		// "Ignore", false);
 		// button.addSelectionListener(new SelectionAdapter() {
 		// public void widgetSelected(SelectionEvent e) {
 		// StringVariableSelectionDialog dialog = new
 		// StringVariableSelectionDialog(getShell());
 		// int code = dialog.open();
 		// if (code == IDialogConstants.OK_ID) {
 		// String variable = dialog.getVariableExpression();
 		// if (variable != null) {
 		// text.insert(variable);
 		// }
 		// }
 		// }
 		// });

 		controlList.add(text);

 	}

 	private void createLabelField(String labelText) {
 		Label label = new Label(panel, SWT.NONE);
 		label.setText(labelText);
 		GridData gd = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
 		gd.horizontalSpan = 2;
 		label.setLayoutData(gd);
 	}

 	@Override
 	protected void okPressed() {
 		for (Iterator<Text> i = controlList.iterator(); i.hasNext();) {
 			Control control = i.next();
 			if (control instanceof Text) {
 				valueMap.put((String) control.getData(FIELD_NAME),
 						((Text) control).getText());
 			}
 		}
 		controlList = null;
 		super.okPressed();
 	}

 	@Override
 	public int open() {
 		applyDialogFont(panel);
 		return super.open();
 	}

 	public Object getValue(String key) {
 		return valueMap.get(key);
 	}

 	public String getStringValue(String key) {
 		return (String) getValue(key);
 	}

 	public void validateFields() {
 		for (Iterator<Validator> i = validators.iterator(); i.hasNext();) {
 			Validator validator = i.next();
 			if (!validator.validate()) {
 				getButton(IDialogConstants.OK_ID).setEnabled(false);
 				return;
 			}
 		}
 		getButton(IDialogConstants.OK_ID).setEnabled(true);
 	}

 	protected static class FieldSummary {
 		int type;
 		String name;
 		String initialValue;
 		boolean allowsEmpty;

 		public FieldSummary(int type, String name, String initialValue,
 				boolean allowsEmpty) {
 			this.type = type;
 			this.name = name;
 			this.initialValue = initialValue;
 			this.allowsEmpty = allowsEmpty;
 		}
 	}

 	protected class Validator {
 		boolean validate() {
 			return true;
 		}
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2003, 2017 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.dltk.ui.dialogs;

	import java.io.File;
	import java.util.ArrayList;
	import java.util.HashMap;
	import java.util.Iterator;
	import java.util.List;
	import java.util.Map;

	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.dialogs.IDialogConstants;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.DirectoryDialog;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.swt.widgets.Text;

	/**
	* @since 2.0
	*/
	public class MultipleInputDialog extends Dialog {
	protected static final String FIELD_NAME = "FIELD_NAME"; //$NON-NLS-1$
	protected static final int TEXT = 100;
	protected static final int BROWSE = 101;
	protected static final int VARIABLE = 102;
	protected static final int LABEL = 103;

	protected Composite panel;

	protected List<FieldSummary> fieldList = new ArrayList<>();
	protected List<Text> controlList = new ArrayList<>();
	protected List<Validator> validators = new ArrayList<>();
	protected Map<String, Object> valueMap = new HashMap<>();

	private String title;

	public MultipleInputDialog(Shell shell, String title) {
	super(shell);
	this.title = title;
	setShellStyle(getShellStyle() \| SWT.RESIZE);
	}

	@Override
	protected void configureShell(Shell shell) {
	super.configureShell(shell);
	if (title != null) {
	shell.setText(title);
	}

	}

	@Override
	protected Control createButtonBar(Composite parent) {
	Control bar = super.createButtonBar(parent);
	validateFields();
	return bar;
	}

	@Override
	protected Control createDialogArea(Composite parent) {
	Composite container = (Composite) super.createDialogArea(parent);
	container.setLayout(new GridLayout(2, false));
	container.setLayoutData(new GridData(GridData.FILL_BOTH));

	panel = new Composite(container, SWT.NONE);
	GridLayout layout = new GridLayout(2, false);
	panel.setLayout(layout);
	panel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	for (FieldSummary field : fieldList) {
	switch (field.type) {
	case TEXT:
	createTextField(field.name, field.initialValue,
	field.allowsEmpty);
	break;
	case BROWSE:
	createBrowseField(field.name, field.initialValue,
	field.allowsEmpty);
	break;
	case VARIABLE:
	createVariablesField(field.name, field.initialValue,
	field.allowsEmpty);
	break;
	case LABEL:
	createLabelField(field.name);
	break;
	}
	}

	fieldList = null; // allow it to be gc'd
	Dialog.applyDialogFont(container);
	return container;
	}

	public void addBrowseField(String labelText, String initialValue,
	boolean allowsEmpty) {
	fieldList.add(
	new FieldSummary(BROWSE, labelText, initialValue, allowsEmpty));
	}

	public void addTextField(String labelText, String initialValue,
	boolean allowsEmpty) {
	fieldList.add(
	new FieldSummary(TEXT, labelText, initialValue, allowsEmpty));
	}

	public void addVariablesField(String labelText, String initialValue,
	boolean allowsEmpty) {
	fieldList.add(new FieldSummary(VARIABLE, labelText, initialValue,
	allowsEmpty));
	}

	public void addLabelField(String labelText) {
	fieldList.add(new FieldSummary(LABEL, labelText, null, false));
	}

	protected void createTextField(String labelText, String initialValue,
	boolean allowEmpty) {
	Label label = new Label(panel, SWT.NONE);
	label.setText(labelText);
	label.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));

	final Text text = new Text(panel, SWT.SINGLE \| SWT.BORDER);
	text.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	text.setData(FIELD_NAME, labelText);

	// make sure rows are the same height on both panels.
	label.setSize(label.getSize().x, text.getSize().y);

	if (initialValue != null) {
	text.setText(initialValue);
	}

	if (!allowEmpty) {
	validators.add(new Validator() {
	@Override
	public boolean validate() {
	return !text.getText().equals(""); //$NON-NLS-1$
	}
	});
	text.addModifyListener(e -> validateFields());
	}

	controlList.add(text);
	}

	protected void createBrowseField(String labelText, String initialValue,
	boolean allowEmpty) {
	Label label = new Label(panel, SWT.NONE);
	label.setText(labelText);
	label.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));

	Composite comp = new Composite(panel, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.marginHeight = 0;
	layout.marginWidth = 0;
	comp.setLayout(layout);
	comp.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	final Text text = new Text(comp, SWT.SINGLE \| SWT.BORDER);
	GridData data = new GridData(GridData.FILL_HORIZONTAL);
	data.widthHint = 200;
	text.setLayoutData(data);
	text.setData(FIELD_NAME, labelText);

	// make sure rows are the same height on both panels.
	label.setSize(label.getSize().x, text.getSize().y);

	if (initialValue != null) {
	text.setText(initialValue);
	}

	if (!allowEmpty) {
	validators.add(new Validator() {
	@Override
	public boolean validate() {
	return !text.getText().equals(""); //$NON-NLS-1$
	}
	});

	text.addModifyListener(e -> validateFields());
	}

	Button button = createButton(comp, IDialogConstants.IGNORE_ID,
	DialogMessages.MultipleInputDialog_ignore, false);
	button.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	DirectoryDialog dialog = new DirectoryDialog(getShell());
	dialog.setMessage(""); //$NON-NLS-1$
	String currentWorkingDir = text.getText();
	if (!currentWorkingDir.trim().equals("")) { //$NON-NLS-1$
	File path = new File(currentWorkingDir);
	if (path.exists()) {
	dialog.setFilterPath(currentWorkingDir);
	}
	}

	String selectedDirectory = dialog.open();
	if (selectedDirectory != null) {
	text.setText(selectedDirectory);
	}
	}
	});

	controlList.add(text);

	}

	public void createVariablesField(String labelText, String initialValue,
	boolean allowEmpty) {
	Label label = new Label(panel, SWT.NONE);
	label.setText(labelText);
	label.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));

	Composite comp = new Composite(panel, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.marginHeight = 0;
	layout.marginWidth = 0;
	comp.setLayout(layout);
	comp.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	final Text text = new Text(comp, SWT.SINGLE \| SWT.BORDER);
	GridData data = new GridData(GridData.FILL_HORIZONTAL);
	data.widthHint = 200;
	text.setLayoutData(data);
	text.setData(FIELD_NAME, labelText);

	// make sure rows are the same height on both panels.
	label.setSize(label.getSize().x, text.getSize().y);

	if (initialValue != null) {
	text.setText(initialValue);
	}

	if (!allowEmpty) {
	validators.add(new Validator() {
	@Override
	public boolean validate() {
	return !text.getText().equals(""); //$NON-NLS-1$
	}
	});

	text.addModifyListener(e -> validateFields());
	}

	// Button button = createButton(comp, IDialogConstants.IGNORE_ID,
	// "Ignore", false);
	// button.addSelectionListener(new SelectionAdapter() {
	// public void widgetSelected(SelectionEvent e) {
	// StringVariableSelectionDialog dialog = new
	// StringVariableSelectionDialog(getShell());
	// int code = dialog.open();
	// if (code == IDialogConstants.OK_ID) {
	// String variable = dialog.getVariableExpression();
	// if (variable != null) {
	// text.insert(variable);
	// }
	// }
	// }
	// });

	controlList.add(text);

	}

	private void createLabelField(String labelText) {
	Label label = new Label(panel, SWT.NONE);
	label.setText(labelText);
	GridData gd = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
	gd.horizontalSpan = 2;
	label.setLayoutData(gd);
	}

	@Override
	protected void okPressed() {
	for (Iterator<Text> i = controlList.iterator(); i.hasNext();) {
	Control control = i.next();
	if (control instanceof Text) {
	valueMap.put((String) control.getData(FIELD_NAME),
	((Text) control).getText());
	}
	}
	controlList = null;
	super.okPressed();
	}

	@Override
	public int open() {
	applyDialogFont(panel);
	return super.open();
	}

	public Object getValue(String key) {
	return valueMap.get(key);
	}

	public String getStringValue(String key) {
	return (String) getValue(key);
	}

	public void validateFields() {
	for (Iterator<Validator> i = validators.iterator(); i.hasNext();) {
	Validator validator = i.next();
	if (!validator.validate()) {
	getButton(IDialogConstants.OK_ID).setEnabled(false);
	return;
	}
	}
	getButton(IDialogConstants.OK_ID).setEnabled(true);
	}

	protected static class FieldSummary {
	int type;
	String name;
	String initialValue;
	boolean allowsEmpty;

	public FieldSummary(int type, String name, String initialValue,
	boolean allowsEmpty) {
	this.type = type;
	this.name = name;
	this.initialValue = initialValue;
	this.allowsEmpty = allowsEmpty;
	}
	}

	protected class Validator {
	boolean validate() {
	return true;
	}
	}
	}