com.predic8.plugin.membrane.dialogs.AddHeaderFieldDialog.java Source code

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Here is the source code for com.predic8.plugin.membrane.dialogs.AddHeaderFieldDialog.java

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/* Copyright 2009 predic8 GmbH, www.predic8.com
    
   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.predic8.plugin.membrane.dialogs;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.SWT;
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.Shell;
import org.eclipse.swt.widgets.Text;

import com.predic8.membrane.core.http.HeaderField;
import com.predic8.membrane.core.http.Message;

public class AddHeaderFieldDialog extends Dialog {

    private Composite baseAreaComp;

    private Text textName;

    private Text textValue;

    private TableViewer tableViewer;

    public AddHeaderFieldDialog(Shell parentShell, TableViewer tableViewer) {
        super(parentShell);
        this.tableViewer = tableViewer;
    }

    protected Control createDialogArea(Composite parent) {
        baseAreaComp = createBaseAreaComposite(parent);

        createLabel().setText("Field Name");

        textName = createText();

        createLabel().setText("Field Value");

        textValue = createText();

        return baseAreaComp;
    }

    private Text createText() {
        Text text = new Text(baseAreaComp, SWT.NONE);
        GridData gData = new GridData();
        gData.heightHint = 20;
        gData.widthHint = 140;
        text.setLayoutData(gData);
        return text;
    }

    private Label createLabel() {
        Label label = new Label(baseAreaComp, SWT.NONE);
        GridData gData = new GridData();
        gData.heightHint = 22;
        gData.widthHint = 72;
        label.setLayoutData(gData);
        return label;
    }

    private Composite createBaseAreaComposite(Composite parent) {
        Composite composite = (Composite) super.createDialogArea(parent);
        GridLayout layout = new GridLayout();
        layout.numColumns = 2;
        layout.marginLeft = 20;
        layout.marginRight = 20;
        layout.marginTop = 20;
        layout.marginBottom = 20;
        composite.setLayout(layout);
        return composite;
    }

    protected void createButtonsForButtonBar(Composite parent) {
        createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
        createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, true);
    }

    protected void configureShell(Shell shell) {
        super.configureShell(shell);
        shell.setText("Add New Header Field");
    }

    public void dispose() {
        baseAreaComp.dispose();
    }

    @Override
    protected void okPressed() {
        String fieldName = textName.getText();
        String fieldValue = textValue.getText();

        if ("".equals(fieldName)) {
            MessageDialog.openError(this.getParentShell(), "Illegal Input", "Header field name must be specified.");
        } else {
            HeaderField headerField = new HeaderField(fieldName, fieldValue);
            tableViewer.add(headerField);
            getMessage().getHeader().add(headerField);

            super.okPressed();
        }
    }

    private Message getMessage() {
        return ((Message) tableViewer.getInput());
    }

    @Override
    protected void cancelPressed() {
        super.cancelPressed();
    }
}