com.aptana.js.debug.ui.internal.xhr.AJAXMonitorPage.java Source code

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/**
 * Aptana Studio
 * Copyright (c) 2005-2011 by Appcelerator, Inc. All Rights Reserved.
 * Licensed under the terms of the GNU Public License (GPL) v3 (with exceptions).
 * Please see the license.html included with this distribution for details.
 * Any modifications to this file must keep this entire header intact.
 */
// $codepro.audit.disable questionableAssignment

package com.aptana.js.debug.ui.internal.xhr;

import org.eclipse.jface.text.Document;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.TextViewer;
import org.eclipse.jface.viewers.ColumnPixelData;
import org.eclipse.jface.viewers.ColumnWeightData;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TableLayout;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CTabFolder;
import org.eclipse.swt.custom.CTabItem;
import org.eclipse.swt.custom.SashForm;
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.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.ui.part.Page;

import com.aptana.core.util.StringUtil;
import com.aptana.js.debug.core.model.xhr.IXHRTransfer;

/**
 * @author Max Stepanov
 */
public class AJAXMonitorPage extends Page {

    private Control mainControl;
    private TableViewer tableViewer;
    private Viewer[] requestData = new Viewer[2];
    private Viewer[] responseData = new Viewer[2];

    /**
     * AJAXMonitorPage
     */
    public AJAXMonitorPage() {
    }

    /**
     * @see org.eclipse.ui.part.IPage#createControl(org.eclipse.swt.widgets.Composite)
     */
    public void createControl(Composite parent) {
        SashForm hSashForm = new SashForm(parent, SWT.VERTICAL);
        hSashForm.setLayoutData(new GridData(GridData.FILL_BOTH));
        hSashForm.setBackgroundMode(SWT.INHERIT_DEFAULT);
        createRequestsTable(hSashForm);

        SashForm vSashForm = new SashForm(hSashForm, SWT.HORIZONTAL);
        vSashForm.setLayoutData(new GridData(GridData.FILL_BOTH));

        createDetailsPart(vSashForm, Messages.AJAXMonitorPage_Request, requestData);
        createDetailsPart(vSashForm, Messages.AJAXMonitorPage_Response, responseData);

        tableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
            public void selectionChanged(SelectionChangedEvent event) {
                ISelection selection = event.getSelection();
                if (selection instanceof IStructuredSelection) {
                    IXHRTransfer xhr = (IXHRTransfer) ((IStructuredSelection) selection).getFirstElement();
                    updateDetails(xhr);
                }
            }
        });
        mainControl = hSashForm;
    }

    private void createRequestsTable(Composite parent) {
        tableViewer = new TableViewer(parent, /* SWT.VIRTUAL | */SWT.SINGLE | SWT.FULL_SELECTION);
        Table table = tableViewer.getTable();
        table.setHeaderVisible(true);
        table.setLinesVisible(true);
        table.setLayoutData(new GridData(GridData.FILL_BOTH));
        TableLayout tableLayout = new TableLayout();
        table.setLayout(tableLayout);

        TableColumn column = new TableColumn(table, SWT.LEFT);
        column.setResizable(false);
        tableLayout.addColumnData(new ColumnPixelData(20));

        column = new TableColumn(table, SWT.LEFT);
        column.setText(Messages.AJAXMonitorPage_URL);
        tableLayout.addColumnData(new ColumnWeightData(60));

        column = new TableColumn(table, SWT.LEFT);
        column.setText(Messages.AJAXMonitorPage_Method);
        tableLayout.addColumnData(new ColumnWeightData(10));

        column = new TableColumn(table, SWT.LEFT);
        column.setText(Messages.AJAXMonitorPage_Sent);
        tableLayout.addColumnData(new ColumnWeightData(10));

        column = new TableColumn(table, SWT.LEFT);
        column.setText(Messages.AJAXMonitorPage_Received);
        tableLayout.addColumnData(new ColumnWeightData(10));

        tableViewer.setContentProvider(new XHRContentProvider());
        tableViewer.setLabelProvider(new XHRLabelProvider());
    }

    private void createDetailsPart(Composite parent, String name, Viewer[] viewers) {
        Composite container = new Composite(parent, SWT.NONE);
        container.setLayoutData(new GridData(GridData.FILL_BOTH));

        GridLayout layout = new GridLayout(1, false);
        layout.marginHeight = 0;
        layout.horizontalSpacing = 0;
        layout.marginWidth /= 2;
        container.setLayout(layout);

        Label label = new Label(container, SWT.NONE);
        label.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        label.setText(name);

        CTabFolder tab = new CTabFolder(container, SWT.BOTTOM | SWT.FLAT | SWT.BORDER);
        tab.setLayoutData(new GridData(GridData.FILL_BOTH));

        TableViewer viewer = new TableViewer(tab, /* SWT.VIRTUAL | */SWT.SINGLE | SWT.FULL_SELECTION);
        Table table = viewer.getTable();
        TableLayout tableLayout = new TableLayout();
        table.setLayout(tableLayout);
        table.setHeaderVisible(false);
        table.setLinesVisible(true);

        // CHECKSTYLE:OFF
        TableColumn column = new TableColumn(table, SWT.LEFT);
        column.setText(Messages.AJAXMonitorPage_Name);
        tableLayout.addColumnData(new ColumnWeightData(50));

        column = new TableColumn(table, SWT.LEFT);
        column.setText(Messages.AJAXMonitorPage_Value);
        tableLayout.addColumnData(new ColumnWeightData(50));
        // CHECKSTYLE:ON

        viewer.setContentProvider(new XHRContentProvider());
        viewer.setLabelProvider(new XHRLabelProvider());
        viewers[0] = viewer;

        CTabItem item = new CTabItem(tab, SWT.NONE);
        item.setControl(viewers[0].getControl());
        item.setText(Messages.AJAXMonitorPage_Headers);

        TextViewer textViewer = new TextViewer(tab, SWT.READ_ONLY | SWT.V_SCROLL | SWT.H_SCROLL);
        item = new CTabItem(tab, SWT.NONE);
        item.setControl(textViewer.getControl());
        item.setText(Messages.AJAXMonitorPage_Body);

        textViewer.setEditable(false);
        textViewer.setDocument(new Document());
        viewers[1] = textViewer;
        tab.setSelection(item);
    }

    private void updateDetails(IXHRTransfer xhr) {
        if (xhr != null) {
            requestData[0].setInput(xhr.getRequestHeaders());
            ((IDocument) requestData[1].getInput()).set(xhr.getRequestBody());

            responseData[0].setInput(xhr.getResponseHeaders());
            ((IDocument) responseData[1].getInput()).set(xhr.getResponseBody());
        } else {
            requestData[0].setInput(null);
            ((IDocument) requestData[1].getInput()).set(StringUtil.EMPTY);

            responseData[0].setInput(null);
            ((IDocument) responseData[1].getInput()).set(StringUtil.EMPTY);
        }
    }

    /**
     * @see org.eclipse.ui.part.IPage#getControl()
     */
    public Control getControl() {
        return mainControl;
    }

    /**
     * @see org.eclipse.ui.part.IPage#setFocus()
     */
    public void setFocus() {
        tableViewer.getControl().setFocus();
    }

    /**
     * getViewer
     * 
     * @return Viewer
     */
    public Viewer getViewer() {
        return tableViewer;
    }
}