package org.erlide.cover.ui.views.util;
import java.io.File;
import org.eclipse.swt.SWT;
import org.eclipse.swt.browser.Browser;
import org.eclipse.swt.browser.LocationEvent;
import org.eclipse.swt.browser.LocationListener;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
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.Dialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.erlide.cover.core.Logger;
import org.erlide.cover.ui.Activator;
import org.erlide.cover.ui.Images;
import org.erlide.cover.views.model.ICoverageObject;
import org.erlide.cover.views.model.StatsTreeModel;
/**
* Dialog for HTML browser
*
* @author Aleksandra Lipiec <aleksandra.lipiec@erlang-solutions.com>
*
*/
public class BrowserDialog extends Dialog {
private Shell dialogShell;
private Composite comp;
private Button home;
private Button up;
private Button next;
private Button prev;
private Browser browser;
private ICoverageObject object;
private String url;
private final Logger log; // logger
public BrowserDialog(final Shell parent) {
this(parent, SWT.NULL);
}
public BrowserDialog(final Shell parent, final int style) {
super(parent, style);
log = Activator.getDefault();
}
public void open() {
createContent();
dialogShell.open();
final Display display = dialogShell.getDisplay();
while (!dialogShell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
}
public void setBrowserText(final String html) {
browser.setText(html);
}
/**
* Sets object connected with current path
*
* @param path
*/
public void setObject(final ICoverageObject obj) {
object = obj;
url = "file://" + obj.getHtmlPath();
}
private void createContent() {
final Shell parent = getParent();
dialogShell = new Shell(parent, SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);
final GridLayout dialogShellLayout = new GridLayout();
dialogShellLayout.makeColumnsEqualWidth = true;
dialogShell.setText("Html Report browser");
dialogShell.setLayout(dialogShellLayout);
dialogShell.layout();
dialogShell.pack();
dialogShell.setSize(800, 600);
browser = new Browser(dialogShell, SWT.NONE | SWT.BORDER);
final GridData browserLData = new GridData();
browserLData.widthHint = 784;
browserLData.heightHint = 500;
browser.setLayoutData(browserLData);
browser.setUrl(object.getHtmlPath());
browser.addLocationListener(locationListener);
comp = new Composite(dialogShell, SWT.NONE);
final GridLayout compLayout = new GridLayout();
compLayout.makeColumnsEqualWidth = true;
compLayout.numColumns = 4;
compLayout.marginLeft = 330;
compLayout.marginRight = 330;
final GridData compLData = new GridData();
compLData.widthHint = 521;
compLData.heightHint = 33;
comp.setLayoutData(compLData);
comp.setLayout(compLayout);
prev = new Button(comp, SWT.PUSH | SWT.CENTER | SWT.FILL);
final GridData prevLData = new GridData();
prev.setLayoutData(prevLData);
prev.addSelectionListener(prevListener);
prev.setImage(Activator.getImageDescriptor(Images.PREV).createImage());
next = new Button(comp, SWT.PUSH | SWT.CENTER | SWT.FILL);
final GridData nextLData = new GridData();
next.setLayoutData(nextLData);
next.addSelectionListener(nextListener);
next.setImage(Activator.getImageDescriptor(Images.NEXT).createImage());
if (object.getParent() != null) {
if (object.getParent().getNextSiblingTo(object.getLabel()) == null) {
next.setEnabled(false);
}
if (object.getParent().getPrevSiblingTo(object.getLabel()) == null) {
prev.setEnabled(false);
}
} else {
next.setEnabled(false);
prev.setEnabled(false);
}
home = new Button(comp, SWT.PUSH | SWT.CENTER | SWT.FILL);
final GridData homeLData = new GridData();
home.setLayoutData(homeLData);
home.addSelectionListener(homeListener);
home.setImage(Activator.getImageDescriptor(Images.HOME).createImage());
up = new Button(comp, SWT.PUSH | SWT.CENTER | SWT.FILL);
final GridData upLData = new GridData();
up.setLayoutData(upLData);
up.addSelectionListener(upListener);
up.setImage(Activator.getImageDescriptor(Images.UP).createImage());
dialogShell.setLocation(getParent().toDisplay(100, 100));
}
private final SelectionListener prevListener = new SelectionListener() {
@Override
public void widgetSelected(final SelectionEvent e) {
if (object.getParent() != null) {
final ICoverageObject sib = object.getParent().getPrevSiblingTo(
object.getLabel());
if (sib == null) {
return;
}
setObject(sib);
browser.setUrl(url);
// disable buttons
next.setEnabled(true);
if (object.getParent().getPrevSiblingTo(object.getLabel()) == null) {
prev.setEnabled(false);
}
}
}
@Override
public void widgetDefaultSelected(final SelectionEvent e) {
}
};
private final SelectionListener nextListener = new SelectionListener() {
@Override
public void widgetSelected(final SelectionEvent e) {
if (object.getParent() != null) {
final ICoverageObject sib = object.getParent().getNextSiblingTo(
object.getLabel());
if (sib == null) {
return;
}
setObject(sib);
browser.setUrl(url);
prev.setEnabled(true);
if (object.getParent().getNextSiblingTo(object.getLabel()) == null) {
next.setEnabled(false);
}
}
}
@Override
public void widgetDefaultSelected(final SelectionEvent e) {
}
};
private final SelectionListener upListener = new SelectionListener() {
@Override
public void widgetSelected(final SelectionEvent e) {
if (object.getParent() != null) {
setObject(object.getParent());
browser.setUrl(url);
if (object.getParent().getNextSiblingTo(object.getLabel()) == null) {
next.setEnabled(false);
}
if (object.getParent().getPrevSiblingTo(object.getLabel()) == null) {
prev.setEnabled(false);
}
}
}
@Override
public void widgetDefaultSelected(final SelectionEvent e) {
}
};
private final SelectionListener homeListener = new SelectionListener() {
@Override
public void widgetSelected(final SelectionEvent e) {
setObject(StatsTreeModel.getInstance().getRoot());
browser.setUrl(url);
next.setEnabled(false);
prev.setEnabled(false);
}
@Override
public void widgetDefaultSelected(final SelectionEvent e) {
}
};
private final LocationListener locationListener = new LocationListener() {
@Override
public void changing(final LocationEvent event) {
}
@Override
public void changed(final LocationEvent event) {
if (object == null) {
return;
}
log.info(event.getSource());
final String newUrl = browser.getUrl();
String name = newUrl.substring(newUrl.lastIndexOf(File.separator) + 1,
newUrl.length() - 5);
log.info(name);
if (name.startsWith("mod_")) {
name = name.substring(4);
}
ICoverageObject newObj;
if ((newObj = object.treeSearch(name)) != null) {
// TODO -> findChild
setObject(newObj);
if (object.getParent() == null) {
up.setEnabled(false);
next.setEnabled(false);
prev.setEnabled(false);
} else {
up.setEnabled(true);
if (object.getParent().getNextSiblingTo(object.getLabel()) == null) {
next.setEnabled(false);
} else {
next.setEnabled(true);
}
if (object.getParent().getPrevSiblingTo(object.getLabel()) == null) {
prev.setEnabled(false);
} else {
prev.setEnabled(true);
}
}
}
}
};
}