com.centurylink.mdw.plugin.designer.dialogs.MdwListInputDialog.java Source code

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Here is the source code for com.centurylink.mdw.plugin.designer.dialogs.MdwListInputDialog.java

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/*
 * Copyright (C) 2017 CenturyLink, Inc.
 *
 * Licensed 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.
 */
package com.centurylink.mdw.plugin.designer.dialogs;

import java.util.List;

import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.dialogs.ListDialog;

import com.centurylink.mdw.plugin.designer.model.WorkflowElement;

public class MdwListInputDialog extends ListDialog {
    private List<? extends WorkflowElement> elements;

    private String message;

    public String getMessage() {
        return message;
    }

    private String input;

    public String getInput() {
        return input;
    }

    public void setInput(String input) {
        this.input = input;
    }

    private Text inputTextArea;
    private boolean multiLine;

    private String title = "MDW Input";

    public void setTitle(String title) {
        this.title = title;
    }

    public MdwListInputDialog(Shell parent, String title, String message,
            List<? extends WorkflowElement> elements) {
        super(parent);
        this.title = title;
        this.message = message;
        this.elements = elements;
        initialize();
    }

    public MdwListInputDialog(Shell parent, String title, String message, List<? extends WorkflowElement> elements,
            boolean multiLine) {
        this(parent, title, message, elements);
        this.multiLine = multiLine;
    }

    protected void initialize() {
        setAddCancelButton(true);
        setContentProvider(new ArrayContentProvider());

        int width = 0;
        // calculate dialog width
        for (WorkflowElement element : elements) {
            if (element.getLabel().length() > width)
                width = element.getLabel().length();
        }
        if (width != 0)
            setWidthInChars(width + 2);

        setLabelProvider(new LabelProvider() {
            public Image getImage(Object element) {
                return ((WorkflowElement) element).getIconImage();
            }

            public String getText(Object element) {
                return ((WorkflowElement) element).getLabel();
            }
        });

        setInput(elements);
        setTitle(title);
        setMessage(message);
    }

    @Override
    protected Control createDialogArea(Composite parent) {
        Composite composite = (Composite) super.createDialogArea(parent);
        composite.getShell().setText(title);

        int style = multiLine ? SWT.MULTI | SWT.BORDER : SWT.BORDER;
        inputTextArea = new Text(composite, style);
        GridData gd = new GridData(GridData.FILL_BOTH);
        gd.widthHint = convertWidthInCharsToPixels(getWidthInChars());
        inputTextArea.setLayoutData(gd);

        if (input != null)
            inputTextArea.setText(input);

        inputTextArea.setFocus();

        return composite;
    }

    @Override
    protected void okPressed() {
        // set the input
        input = inputTextArea.getText().trim();
        if (input.length() == 0)
            input = null;
        setReturnCode(OK);
        close();
    }
}