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Code Issues Releases Wiki Activity

GP-3813 - Help - Added developer refresh button

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This commit is contained in:
dragonmacher 2023-09-11 14:43:01 -04:00
parent 3998da036a
commit 4a2a6c8c19
2 changed files with 79 additions and 9 deletions
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22
Ghidra/Framework/Docking/src/main/java/docking/help/DockingHelpBroker.java
View file

@ -16,6 +16,7 @@
package docking.help;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.geom.*;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
@ -39,11 +40,11 @@ import docking.util.AnimationPainter;
import docking.util.AnimationUtils;
import generic.theme.GColor;
import ghidra.framework.preferences.Preferences;
import ghidra.util.Msg;
import ghidra.util.Swing;
import ghidra.util.*;
import ghidra.util.bean.GGlassPane;
import help.CustomTOCView;
import help.GHelpBroker;
import resources.Icons;
/**
* An extension of the {@link GHelpBroker} that allows {@code Docking} classes to be installed.
@ -129,6 +130,23 @@ public class DockingHelpBroker extends GHelpBroker {
ToggleNavigationAid action = new ToggleNavigationAid();
toolbar.add(new JButton(action));
if (SystemUtilities.isInDevelopmentMode()) {
Action refreshAction = new AbstractAction() {
{
putValue(Action.SMALL_ICON, Icons.REFRESH_ICON);
putValue(Action.SHORT_DESCRIPTION, "Reload the current page");
}
@Override
public void actionPerformed(ActionEvent e) {
reloadHelpPage(getCurrentURL());
}
};
toolbar.add(new JButton(refreshAction));
}
}
@Override // opened access

64
Ghidra/Framework/Help/src/main/java/help/GHelpBroker.java
View file

@ -16,9 +16,12 @@
package help;
import java.awt.*;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.IOException;
import java.net.URL;
import java.util.List;
import java.util.Objects;
import javax.help.*;
import javax.swing.*;
@ -26,6 +29,7 @@ import javax.swing.text.Document;
import generic.theme.GIcon;
import ghidra.util.Msg;
import ghidra.util.Swing;
import ghidra.util.bean.GGlassPane;
import resources.Icons;
import resources.MultiIconBuilder;
@ -82,16 +86,25 @@ public class GHelpBroker extends DefaultHelpBroker {
/* Perform some shenanigans to force Java Help to reload the given URL */
protected void reloadHelpPage(URL url) {
clearContentViewer();
showNavigationAid(url);
try {
// Page loading is asynchronous. Listen for the page to be loaded and then restore the
// users current view state.
htmlEditorPane.addPropertyChangeListener(new PageLocationUpdater());
htmlEditorPane.setPage(url);
}
catch (IOException e) {
Msg.error(this, "Unexpected error loading help page: " + url, e);
return;
}
}
private void reloadHelpPage() {
reloadHelpPage(getCurrentURL());
}
public void reload() {
clearHighlights();
initialized = false;
@ -241,8 +254,8 @@ public class GHelpBroker extends DefaultHelpBroker {
JToolBar toolbar = (JToolBar) component;
toolbar.addSeparator();
ImageIcon icon = new MultiIconBuilder(new EmptyIcon(24, 24))
.addCenteredIcon(ZOOM_OUT_ICON)
ImageIcon icon =
new MultiIconBuilder(new EmptyIcon(24, 24)).addCenteredIcon(ZOOM_OUT_ICON)
.build();
Icon zoomOutIcon = icon;
@ -253,12 +266,11 @@ public class GHelpBroker extends DefaultHelpBroker {
// Need to reload the page to force the scroll panes to resize properly. A
// simple revalidate/repaint won't do it.
reloadHelpPage(getCurrentURL());
reloadHelpPage();
});
toolbar.add(zoomOutBtn);
icon = new MultiIconBuilder(new EmptyIcon(24, 24))
.addCenteredIcon(ZOOM_IN_ICON)
icon = new MultiIconBuilder(new EmptyIcon(24, 24)).addCenteredIcon(ZOOM_IN_ICON)
.build();
Icon zoomInIcon = icon;
JButton zoomInBtn = new JButton(zoomInIcon);
@ -268,7 +280,7 @@ public class GHelpBroker extends DefaultHelpBroker {
// Need to reload the page to force the scroll panes to resize properly. A
// simple revalidate/repaint won't do it.
reloadHelpPage(getCurrentURL());
reloadHelpPage();
});
toolbar.add(zoomInBtn);
@ -356,4 +368,44 @@ public class GHelpBroker extends DefaultHelpBroker {
}
return false;
}
//=================================================================================================
// Inner Classes
//=================================================================================================
private class PageLocationUpdater implements PropertyChangeListener {
private URL url;
private int caretPosition;
private Rectangle viewPosition;
PageLocationUpdater() {
url = getCurrentURL();
caretPosition = htmlEditorPane.getCaretPosition();
viewPosition = htmlEditorPane.getVisibleRect();
}
@Override
public void propertyChange(PropertyChangeEvent evt) {
String name = evt.getPropertyName();
if (!name.equals("page")) {
return;
}
htmlEditorPane.removePropertyChangeListener(this);
URL currentUrl = getCurrentURL();
if (!Objects.equals(currentUrl, url)) {
return; // new page loaded; ignore
}
htmlEditorPane.setCaretPosition(caretPosition);
// not sure why this needs to be done later, but setting the caret seems to trigger a
// view updated, so try to run after that
Swing.runLater(() -> {
htmlEditorPane.scrollRectToVisible(viewPosition);
});
}
}
}