org.maven.ide.eclipse.launch.Maven2PropertyAddDialog.java Source code

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Here is the source code for org.maven.ide.eclipse.launch.Maven2PropertyAddDialog.java

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package org.maven.ide.eclipse.launch;

/*
 * Licensed to the Codehaus Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * 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.
 */

import org.eclipse.debug.ui.StringVariableSelectionDialog;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
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.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.maven.ide.eclipse.Messages;

public class Maven2PropertyAddDialog extends Dialog {

    private String fName;
    private String fValue;

    private String fTitle;

    private Label fNameLabel;
    private Text fNameText;
    private Label fValueLabel;
    private Text fValueText;

    private String[] fInitialValues;

    public Maven2PropertyAddDialog(Shell shell, String title, String[] initialValues) {
        super(shell);
        fTitle = title;
        fInitialValues = initialValues;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
     */
    protected Control createDialogArea(Composite parent) {
        Composite comp = (Composite) super.createDialogArea(parent);
        ((GridLayout) comp.getLayout()).numColumns = 2;

        fNameLabel = new Label(comp, SWT.NONE);
        fNameLabel.setText(Messages.getString("launch.propertyDialog.name")); //$NON-NLS-1$;
        fNameLabel.setFont(comp.getFont());

        fNameText = new Text(comp, SWT.BORDER | SWT.SINGLE);
        if (fInitialValues.length >= 1) {
            fNameText.setText(fInitialValues[0]);
        }
        GridData gd = new GridData(GridData.FILL_HORIZONTAL);
        gd.widthHint = 300;
        fNameText.setLayoutData(gd);
        fNameText.setFont(comp.getFont());
        fNameText.addModifyListener(new ModifyListener() {
            public void modifyText(ModifyEvent e) {
                updateButtons();
            }
        });

        fValueLabel = new Label(comp, SWT.NONE);
        fValueLabel.setText(Messages.getString("launch.propertyDialog.value")); //$NON-NLS-1$;
        fValueLabel.setFont(comp.getFont());

        fValueText = new Text(comp, SWT.BORDER | SWT.SINGLE);
        if (fInitialValues.length >= 2) {
            fValueText.setText(fInitialValues[1]);
        }
        gd = new GridData(GridData.FILL_HORIZONTAL);
        gd.widthHint = 300;
        fValueText.setLayoutData(gd);
        fValueText.setFont(comp.getFont());
        fValueText.addModifyListener(new ModifyListener() {
            public void modifyText(ModifyEvent e) {
                updateButtons();
            }
        });

        Button variablesButton = new Button(comp, SWT.PUSH);
        variablesButton.setText(Messages.getString("launch.propertyDialog.browseVariables")); //$NON-NLS-1$;
        gd = new GridData(GridData.HORIZONTAL_ALIGN_END);
        gd.horizontalSpan = 2;
        int widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
        gd.widthHint = Math.max(widthHint, variablesButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
        variablesButton.setLayoutData(gd);
        variablesButton.setFont(comp.getFont());

        variablesButton.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent se) {
                getVariable();
            }
        });

        return comp;
    }

    protected void getVariable() {
        StringVariableSelectionDialog variablesDialog = new StringVariableSelectionDialog(getShell());
        int returnCode = variablesDialog.open();
        if (returnCode == IDialogConstants.OK_ID) {
            String variable = variablesDialog.getVariableExpression();
            if (variable != null) {
                fValueText.insert(variable.trim());
            }
        }
    }

    /**
     * Return the name/value pair entered in this dialog.  If the cancel button was hit,
     * both will be <code>null</code>.
     */
    public String[] getNameValuePair() {
        return new String[] { fName, fValue };
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.dialogs.Dialog#buttonPressed(int)
     */
    protected void buttonPressed(int buttonId) {
        if (buttonId == IDialogConstants.OK_ID) {
            fName = fNameText.getText();
            fValue = fValueText.getText();
        } else {
            fName = null;
            fValue = null;
        }
        super.buttonPressed(buttonId);
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.window.Window#configureShell(org.eclipse.swt.widgets.Shell)
     */
    protected void configureShell(Shell shell) {
        super.configureShell(shell);
        if (fTitle != null) {
            shell.setText(fTitle);
        }
        //    if (fInitialValues[0].length() == 0) {
        //      PlatformUI.getWorkbench().getHelpSystem().setHelp(shell, IAntUIHelpContextIds.ADD_PROPERTY_DIALOG);
        //    } else {
        //      PlatformUI.getWorkbench().getHelpSystem().setHelp(shell, IAntUIHelpContextIds.EDIT_PROPERTY_DIALOG);
        //    }
    }

    /**
     * Enable the OK button if valid input
     */
    protected void updateButtons() {
        String name = fNameText.getText().trim();
        String value = fValueText.getText().trim();
        getButton(IDialogConstants.OK_ID).setEnabled((name.length() > 0) && (value.length() > 0));
    }

    /**
     * Enable the buttons on creation.
     * @see org.eclipse.jface.window.Window#create()
     */
    public void create() {
        super.create();
        updateButtons();
    }
}