Example #1
0
  void show(
      boolean owned,
      org.eclipse.swt.graphics.Point location,
      org.eclipse.swt.graphics.Point size,
      boolean addressBar,
      boolean menuBar,
      boolean statusBar,
      boolean toolBar) {
    final org.eclipse.swt.widgets.Shell shell = browser.getShell();
    if (owned) {
      if (location != null) {
        shell.setLocation(location);
      }
      if (size != null) {
        shell.setSize(shell.computeSize(size.x, size.y));
      }
    }
    org.eclipse.swt.layout.FormData data = null;
    if (toolBar) {
      toolbar = new org.eclipse.swt.widgets.ToolBar(parent, SWT.NONE);
      data = new org.eclipse.swt.layout.FormData();
      data.top = new org.eclipse.swt.layout.FormAttachment(0, 5);
      toolbar.setLayoutData(data);
      itemBack = new org.eclipse.swt.widgets.ToolItem(toolbar, SWT.PUSH);
      itemBack.setText(getResourceString("Back"));
      itemForward = new org.eclipse.swt.widgets.ToolItem(toolbar, SWT.PUSH);
      itemForward.setText(getResourceString("Forward"));
      final org.eclipse.swt.widgets.ToolItem itemStop =
          new org.eclipse.swt.widgets.ToolItem(toolbar, SWT.PUSH);
      itemStop.setText(getResourceString("Stop"));
      final org.eclipse.swt.widgets.ToolItem itemRefresh =
          new org.eclipse.swt.widgets.ToolItem(toolbar, SWT.PUSH);
      itemRefresh.setText(getResourceString("Refresh"));
      final org.eclipse.swt.widgets.ToolItem itemGo =
          new org.eclipse.swt.widgets.ToolItem(toolbar, SWT.PUSH);
      itemGo.setText(getResourceString("Go"));
      itemBack.setEnabled(browser.isBackEnabled());
      itemForward.setEnabled(!browser.isForwardEnabled());
      org.eclipse.swt.widgets.Listener listener =
          new org.eclipse.swt.widgets.Listener() {
            public void handleEvent(org.eclipse.swt.widgets.Event event) {
              org.eclipse.swt.widgets.ToolItem item =
                  (org.eclipse.swt.widgets.ToolItem) event.widget;
              if (item == itemBack) {
                browser.back();
              } else {
                if (item == itemForward) {
                  browser.forward();
                } else {
                  if (item == itemStop) {
                    browser.stop();
                  } else {
                    if (item == itemRefresh) {
                      browser.refresh();
                    } else {
                      if (item == itemGo) {
                        browser.setUrl(locationBar.getText());
                      }
                    }
                  }
                }
              }
            }
          };
      itemBack.addListener(SWT.Selection, listener);
      itemForward.addListener(SWT.Selection, listener);
      itemStop.addListener(SWT.Selection, listener);
      itemRefresh.addListener(SWT.Selection, listener);
      itemGo.addListener(SWT.Selection, listener);
      canvas = new org.eclipse.swt.widgets.Canvas(parent, SWT.NO_BACKGROUND);
      data = new org.eclipse.swt.layout.FormData();
      data.width = 24;
      data.height = 24;
      data.top = new org.eclipse.swt.layout.FormAttachment(0, 5);
      data.right = new org.eclipse.swt.layout.FormAttachment(100, -5);
      canvas.setLayoutData(data);
      final org.eclipse.swt.graphics.Rectangle rect = images[0].getBounds();
      canvas.addListener(
          SWT.Paint,
          new org.eclipse.swt.widgets.Listener() {
            public void handleEvent(org.eclipse.swt.widgets.Event e) {
              org.eclipse.swt.graphics.Point pt =
                  ((org.eclipse.swt.widgets.Canvas) e.widget).getSize();
              e.gc.drawImage(images[index], 0, 0, rect.width, rect.height, 0, 0, pt.x, pt.y);
            }
          });
      canvas.addListener(
          SWT.MouseDown,
          new org.eclipse.swt.widgets.Listener() {
            public void handleEvent(org.eclipse.swt.widgets.Event e) {
              browser.setUrl(getResourceString("Startup"));
            }
          });
      final org.eclipse.swt.widgets.Display display = parent.getDisplay();
      display.asyncExec(
          new java.lang.Runnable() {
            public void run() {
              if (canvas.isDisposed()) {
                return;
              }
              if (busy) {
                index++;
                if (index == images.length) {
                  index = 0;
                }
                canvas.redraw();
              }
              display.timerExec(150, this);
            }
          });
    }
    if (addressBar) {
      locationBar = new org.eclipse.swt.widgets.Text(parent, SWT.BORDER);
      data = new org.eclipse.swt.layout.FormData();
      if (toolbar != null) {
        data.top = new org.eclipse.swt.layout.FormAttachment(toolbar, 0, SWT.TOP);
        data.left = new org.eclipse.swt.layout.FormAttachment(toolbar, 5, SWT.RIGHT);
        data.right = new org.eclipse.swt.layout.FormAttachment(canvas, -5, SWT.DEFAULT);
      } else {
        data.top = new org.eclipse.swt.layout.FormAttachment(0, 0);
        data.left = new org.eclipse.swt.layout.FormAttachment(0, 0);
        data.right = new org.eclipse.swt.layout.FormAttachment(100, 0);
      }
      locationBar.setLayoutData(data);
      locationBar.addListener(
          SWT.DefaultSelection,
          new org.eclipse.swt.widgets.Listener() {
            public void handleEvent(org.eclipse.swt.widgets.Event e) {
              browser.setUrl(locationBar.getText());
            }
          });
    }
    if (statusBar) {
      status = new org.eclipse.swt.widgets.Label(parent, SWT.NONE);
      progressBar = new org.eclipse.swt.widgets.ProgressBar(parent, SWT.NONE);
      data = new org.eclipse.swt.layout.FormData();
      data.left = new org.eclipse.swt.layout.FormAttachment(0, 5);
      data.right = new org.eclipse.swt.layout.FormAttachment(progressBar, 0, SWT.DEFAULT);
      data.bottom = new org.eclipse.swt.layout.FormAttachment(100, -5);
      status.setLayoutData(data);
      data = new org.eclipse.swt.layout.FormData();
      data.right = new org.eclipse.swt.layout.FormAttachment(100, -5);
      data.bottom = new org.eclipse.swt.layout.FormAttachment(100, -5);
      progressBar.setLayoutData(data);
      browser.addStatusTextListener(
          new org.eclipse.swt.browser.StatusTextListener() {
            public void changed(org.eclipse.swt.browser.StatusTextEvent event) {
              status.setText(event.text);
            }
          });
    }
    parent.setLayout(new org.eclipse.swt.layout.FormLayout());
    org.eclipse.swt.widgets.Control aboveBrowser =
        toolBar
            ? (org.eclipse.swt.widgets.Control) canvas
            : addressBar ? (org.eclipse.swt.widgets.Control) locationBar : null;
    data = new org.eclipse.swt.layout.FormData();
    data.left = new org.eclipse.swt.layout.FormAttachment(0, 0);
    data.top =
        aboveBrowser != null
            ? new org.eclipse.swt.layout.FormAttachment(aboveBrowser, 5, SWT.DEFAULT)
            : new org.eclipse.swt.layout.FormAttachment(0, 0);
    data.right = new org.eclipse.swt.layout.FormAttachment(100, 0);
    data.bottom =
        status != null
            ? new org.eclipse.swt.layout.FormAttachment(status, -5, SWT.DEFAULT)
            : new org.eclipse.swt.layout.FormAttachment(100, 0);
    browser.setLayoutData(data);
    if (statusBar || toolBar) {
      browser.addProgressListener(
          new org.eclipse.swt.browser.ProgressListener() {
            public void changed(org.eclipse.swt.browser.ProgressEvent event) {
              if (event.total == 0) {
                return;
              }
              int ratio = event.current * 100 / event.total;
              if (progressBar != null) {
                progressBar.setSelection(ratio);
              }
              busy = event.current != event.total;
              if (!busy) {
                index = 0;
                if (canvas != null) {
                  canvas.redraw();
                }
              }
            }

            public void completed(org.eclipse.swt.browser.ProgressEvent event) {
              if (progressBar != null) {
                progressBar.setSelection(0);
              }
              busy = false;
              index = 0;
              if (canvas != null) {
                itemBack.setEnabled(browser.isBackEnabled());
                itemForward.setEnabled(browser.isForwardEnabled());
                canvas.redraw();
              }
            }
          });
    }
    if (addressBar || statusBar || toolBar) {
      browser.addLocationListener(
          new org.eclipse.swt.browser.LocationListener() {
            public void changed(org.eclipse.swt.browser.LocationEvent event) {
              busy = true;
              if (event.top && locationBar != null) {
                locationBar.setText(event.location);
              }
            }

            public void changing(org.eclipse.swt.browser.LocationEvent event) {}
          });
    }
    if (title) {
      browser.addTitleListener(
          new org.eclipse.swt.browser.TitleListener() {
            public void changed(org.eclipse.swt.browser.TitleEvent event) {
              shell.setText(event.title + " - " + getResourceString("window.title"));
            }
          });
    }
    parent.layout(true);
    if (owned) {
      shell.open();
    }
  }
  public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    GridLayout gridLayout = new GridLayout();
    gridLayout.numColumns = 3;
    shell.setLayout(gridLayout);
    ToolBar toolbar = new ToolBar(shell, SWT.NONE);
    ToolItem itemBack = new ToolItem(toolbar, SWT.PUSH);
    itemBack.setText("Back");
    ToolItem itemForward = new ToolItem(toolbar, SWT.PUSH);
    itemForward.setText("Forward");
    ToolItem itemStop = new ToolItem(toolbar, SWT.PUSH);
    itemStop.setText("Stop");
    ToolItem itemRefresh = new ToolItem(toolbar, SWT.PUSH);
    itemRefresh.setText("Refresh");
    ToolItem itemGo = new ToolItem(toolbar, SWT.PUSH);
    itemGo.setText("Go");

    GridData data = new GridData();
    data.horizontalSpan = 3;
    toolbar.setLayoutData(data);

    Label labelAddress = new Label(shell, SWT.NONE);
    labelAddress.setText("Address");

    final Text location = new Text(shell, SWT.BORDER);
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    data.horizontalSpan = 2;
    data.grabExcessHorizontalSpace = true;
    location.setLayoutData(data);

    final Browser browser;
    try {
      browser = new Browser(shell, SWT.NONE);
    } catch (SWTError e) {
      System.out.println("Could not instantiate Browser: " + e.getMessage());
      display.dispose();
      return;
    }
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    data.verticalAlignment = GridData.FILL;
    data.horizontalSpan = 3;
    data.grabExcessHorizontalSpace = true;
    data.grabExcessVerticalSpace = true;
    browser.setLayoutData(data);

    final Label status = new Label(shell, SWT.NONE);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 2;
    status.setLayoutData(data);

    final ProgressBar progressBar = new ProgressBar(shell, SWT.NONE);
    data = new GridData();
    data.horizontalAlignment = GridData.END;
    progressBar.setLayoutData(data);

    /* event handling */
    Listener listener =
        new Listener() {
          @Override
          public void handleEvent(Event event) {
            ToolItem item = (ToolItem) event.widget;
            String string = item.getText();
            if (string.equals("Back")) browser.back();
            else if (string.equals("Forward")) browser.forward();
            else if (string.equals("Stop")) browser.stop();
            else if (string.equals("Refresh")) browser.refresh();
            else if (string.equals("Go")) browser.setUrl(location.getText());
          }
        };
    browser.addProgressListener(
        new ProgressListener() {
          @Override
          public void changed(ProgressEvent event) {
            if (event.total == 0) return;
            int ratio = event.current * 100 / event.total;
            progressBar.setSelection(ratio);
          }

          @Override
          public void completed(ProgressEvent event) {
            progressBar.setSelection(0);
          }
        });
    browser.addStatusTextListener(
        new StatusTextListener() {
          @Override
          public void changed(StatusTextEvent event) {
            status.setText(event.text);
          }
        });
    browser.addLocationListener(
        new LocationListener() {
          @Override
          public void changed(LocationEvent event) {
            if (event.top) location.setText(event.location);
          }

          @Override
          public void changing(LocationEvent event) {}
        });
    itemBack.addListener(SWT.Selection, listener);
    itemForward.addListener(SWT.Selection, listener);
    itemStop.addListener(SWT.Selection, listener);
    itemRefresh.addListener(SWT.Selection, listener);
    itemGo.addListener(SWT.Selection, listener);
    location.addListener(
        SWT.DefaultSelection,
        new Listener() {
          @Override
          public void handleEvent(Event e) {
            browser.setUrl(location.getText());
          }
        });

    shell.open();
    browser.setUrl("http://eclipse.org");

    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    display.dispose();
  }