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Extras: FlatInspector: show class hierarchies when pressing Alt key and prettified class names (dimmed package name)

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This commit is contained in:
Karl Tauber
2021-05-12 19:03:13 +02:00
parent 38a3a0768d
commit 866751ffc1
2 changed files with 77 additions and 22 deletions
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2
CHANGELOG.md
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@@ -30,6 +30,8 @@ FlatLaf Change Log
- Use mapper function in color filter to dynamically map colors. (PR #303) - Use mapper function in color filter to dynamically map colors. (PR #303)
- Color filter supports light and dark themes. - Color filter supports light and dark themes.
- Getters for icon name, classloader, etc. - Getters for icon name, classloader, etc.
- Extras: UI Inspector: Show class hierarchies when pressing <kbd>Alt</kbd> key
and prettified class names (dimmed package name).
#### Fixed bugs #### Fixed bugs

97
flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/FlatInspector.java
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@@ -56,6 +56,7 @@ import javax.swing.Popup;
import javax.swing.PopupFactory; import javax.swing.PopupFactory;
import javax.swing.RootPaneContainer; import javax.swing.RootPaneContainer;
import javax.swing.SwingUtilities; import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.border.Border; import javax.swing.border.Border;
import javax.swing.border.EmptyBorder; import javax.swing.border.EmptyBorder;
import javax.swing.border.LineBorder; import javax.swing.border.LineBorder;
@@ -90,7 +91,11 @@ public class FlatInspector
{ {
private static final Integer HIGHLIGHT_LAYER = JLayeredPane.POPUP_LAYER - 1; private static final Integer HIGHLIGHT_LAYER = JLayeredPane.POPUP_LAYER - 1;
private static final int KEY_MODIFIERS_MASK = InputEvent.CTRL_DOWN_MASK | InputEvent.SHIFT_DOWN_MASK | InputEvent.ALT_DOWN_MASK | InputEvent.META_DOWN_MASK; private static final int KEY_MODIFIERS_MASK =
InputEvent.CTRL_DOWN_MASK |
InputEvent.SHIFT_DOWN_MASK |
InputEvent.ALT_DOWN_MASK |
InputEvent.META_DOWN_MASK;
private final JRootPane rootPane; private final JRootPane rootPane;
private final MouseMotionListener mouseMotionListener; private final MouseMotionListener mouseMotionListener;
@@ -104,7 +109,8 @@ public class FlatInspector
private int lastX; private int lastX;
private int lastY; private int lastY;
private int inspectParentLevel; private int inspectParentLevel;
private boolean wasCtrlOrShiftKeyPressed; private boolean wasModifierKeyPressed;
private boolean showClassHierarchy;
private JComponent highlightFigure; private JComponent highlightFigure;
private Popup popup; private Popup popup;
@@ -161,9 +167,9 @@ public class FlatInspector
if( id == KeyEvent.KEY_PRESSED ) { if( id == KeyEvent.KEY_PRESSED ) {
// this avoids that the inspection level is changed when UI inspector // this avoids that the inspection level is changed when UI inspector
// is enabled with keyboard shortcut (e.g. Ctrl+Shift+Alt+X) // is enabled with keyboard shortcut (e.g. Ctrl+Shift+Alt+X)
if( keyCode == KeyEvent.VK_CONTROL || keyCode == KeyEvent.VK_SHIFT ) if( keyCode == KeyEvent.VK_CONTROL || keyCode == KeyEvent.VK_SHIFT || keyCode == KeyEvent.VK_ALT )
wasCtrlOrShiftKeyPressed = true; wasModifierKeyPressed = true;
} else if( id == KeyEvent.KEY_RELEASED && wasCtrlOrShiftKeyPressed ) { } else if( id == KeyEvent.KEY_RELEASED && wasModifierKeyPressed ) {
if( keyCode == KeyEvent.VK_CONTROL ) { if( keyCode == KeyEvent.VK_CONTROL ) {
inspectParentLevel++; inspectParentLevel++;
int parentLevel = inspect( lastX, lastY ); int parentLevel = inspect( lastX, lastY );
@@ -180,6 +186,9 @@ public class FlatInspector
inspectParentLevel = Math.max( parentLevel - 1, 0 ); inspectParentLevel = Math.max( parentLevel - 1, 0 );
inspect( lastX, lastY ); inspect( lastX, lastY );
} }
} else if( keyCode == KeyEvent.VK_ALT && lastComponent != null) {
showClassHierarchy = !showClassHierarchy;
showToolTip( lastComponent, lastX, lastY, inspectParentLevel );
} }
} }
@@ -402,7 +411,7 @@ public class FlatInspector
return; return;
JToolTip tip = new JToolTip(); JToolTip tip = new JToolTip();
tip.setTipText( buildToolTipText( c, parentLevel ) ); tip.setTipText( buildToolTipText( c, parentLevel, showClassHierarchy ) );
tip.putClientProperty( FlatClientProperties.POPUP_FORCE_HEAVY_WEIGHT, true ); tip.putClientProperty( FlatClientProperties.POPUP_FORCE_HEAVY_WEIGHT, true );
Point pt = new Point( x, y ); Point pt = new Point( x, y );
@@ -428,16 +437,13 @@ public class FlatInspector
popup.show(); popup.show();
} }
private static String buildToolTipText( Component c, int parentLevel ) { private static String buildToolTipText( Component c, int parentLevel, boolean classHierarchy ) {
StringBuilder buf = new StringBuilder( 1500 ); StringBuilder buf = new StringBuilder( 1500 );
buf.append( "<html><style>" ); buf.append( "<html><style>" );
buf.append( "td { padding: 0 10 0 0; }" ); buf.append( "td { padding: 0 10 0 0; }" );
buf.append( "</style><table>" ); buf.append( "</style><table>" );
String name = c.getClass().getName(); appendRow( buf, "Class", toString( c.getClass(), classHierarchy ) );
name = name.substring( name.lastIndexOf( '.' ) + 1 );
Package pkg = c.getClass().getPackage();
appendRow( buf, "Class", name + " (" + (pkg != null ? pkg.getName() : "-") + ")" );
appendRow( buf, "Size", c.getWidth() + ", " + c.getHeight() + "&nbsp;&nbsp; @ " + c.getX() + ", " + c.getY() ); appendRow( buf, "Size", c.getWidth() + ", " + c.getHeight() + "&nbsp;&nbsp; @ " + c.getX() + ", " + c.getY() );
if( c instanceof Container ) if( c instanceof Container )
@@ -464,7 +470,7 @@ public class FlatInspector
appendRow( buf, "Max size", maxSize.width + ", " + maxSize.height ); appendRow( buf, "Max size", maxSize.width + ", " + maxSize.height );
if( c instanceof JComponent ) if( c instanceof JComponent )
appendRow( buf, "Border", toString( ((JComponent)c).getBorder() ) ); appendRow( buf, "Border", toString( ((JComponent)c).getBorder(), classHierarchy ) );
appendRow( buf, "Background", toString( c.getBackground() ) ); appendRow( buf, "Background", toString( c.getBackground() ) );
appendRow( buf, "Foreground", toString( c.getForeground() ) ); appendRow( buf, "Foreground", toString( c.getForeground() ) );
@@ -475,7 +481,7 @@ public class FlatInspector
Field f = JComponent.class.getDeclaredField( "ui" ); Field f = JComponent.class.getDeclaredField( "ui" );
f.setAccessible( true ); f.setAccessible( true );
Object ui = f.get( c ); Object ui = f.get( c );
appendRow( buf, "UI", (ui != null ? ui.getClass().getName() : "null") ); appendRow( buf, "UI", (ui != null ? toString( ui.getClass(), classHierarchy ) : "null") );
} catch( Exception ex ) { } catch( Exception ex ) {
// ignore // ignore
} }
@@ -484,7 +490,7 @@ public class FlatInspector
if( c instanceof Container ) { if( c instanceof Container ) {
LayoutManager layout = ((Container)c).getLayout(); LayoutManager layout = ((Container)c).getLayout();
if( layout != null ) if( layout != null )
appendRow( buf, "Layout", layout.getClass().getName() ); appendRow( buf, "Layout", toString( layout.getClass(), classHierarchy ) );
} }
appendRow( buf, "Enabled", String.valueOf( c.isEnabled() ) ); appendRow( buf, "Enabled", String.valueOf( c.isEnabled() ) );
@@ -494,16 +500,23 @@ public class FlatInspector
appendRow( buf, "ContentAreaFilled", String.valueOf( ((AbstractButton)c).isContentAreaFilled() ) ); appendRow( buf, "ContentAreaFilled", String.valueOf( ((AbstractButton)c).isContentAreaFilled() ) );
appendRow( buf, "Focusable", String.valueOf( c.isFocusable() ) ); appendRow( buf, "Focusable", String.valueOf( c.isFocusable() ) );
appendRow( buf, "Left-to-right", String.valueOf( c.getComponentOrientation().isLeftToRight() ) ); appendRow( buf, "Left-to-right", String.valueOf( c.getComponentOrientation().isLeftToRight() ) );
appendRow( buf, "Parent", (c.getParent() != null ? c.getParent().getClass().getName() : "null") ); appendRow( buf, "Parent", (c.getParent() != null ? toString( c.getParent().getClass(), classHierarchy ) : "null") );
// append parent level
buf.append( "<tr><td colspan=\"2\">" ); buf.append( "<tr><td colspan=\"2\">" );
if( parentLevel > 0 ) if( parentLevel > 0 )
buf.append( "<br>Parent level: " + parentLevel ); buf.append( "<br>Parent level: " + parentLevel );
if( parentLevel > 0 ) // append modifier keys hint
buf.append( "<br>(press Ctrl/Shift to increase/decrease level)" ); buf.append( "<br>(" )
else .append( (parentLevel > 0)
buf.append( "<br>(press Ctrl key to inspect parent)" ); ? "press <b>Ctrl/Shift</b> to increase/decrease level"
: "press <b>Ctrl</b> key to inspect parent" )
.append( "; &nbsp;" )
.append( classHierarchy
? "press <b>Alt</b> key to hide class hierarchy"
: "press <b>Alt</b> key to show class hierarchy" )
.append( ')' );
buf.append( "</td></tr>" ); buf.append( "</td></tr>" );
buf.append( "</table></html>" ); buf.append( "</table></html>" );
@@ -512,13 +525,43 @@ public class FlatInspector
} }
private static void appendRow( StringBuilder buf, String key, String value ) { private static void appendRow( StringBuilder buf, String key, String value ) {
buf.append( "<tr><td>" ) buf.append( "<tr><td valign=\"top\">" )
.append( key ) .append( key )
.append( ":</td><td>" ) .append( ":</td><td>" )
.append( value ) .append( value )
.append( "</td></tr>" ); .append( "</td></tr>" );
} }
private static String toString( Class<?> cls, boolean classHierarchy ) {
StringBuilder buf = new StringBuilder( 100 );
int level = 0;
while( cls != null ) {
if( level > 0 ) {
if( cls == Object.class )
break;
buf.append( "<br>&nbsp;" );
for( int i = 1; i < level; i++ )
buf.append( "&nbsp;&nbsp;&nbsp;&nbsp;" );
buf.append( "\u2570 " );
}
level++;
String name = cls.getName();
int dot = name.lastIndexOf( '.' );
String pkg = (dot >= 0) ? name.substring( 0, dot ) : "-";
String simpleName = (dot >= 0) ? name.substring( dot + 1 ) : name;
buf.append( simpleName ).append( ' ' ).append( toDimmedText( "(" + pkg + ")" ) );
if( !classHierarchy )
break;
cls = cls.getSuperclass();
}
return buf.toString();
}
private static String toString( Insets insets ) { private static String toString( Insets insets ) {
if( insets == null ) if( insets == null )
return "null"; return "null";
@@ -564,11 +607,11 @@ public class FlatInspector
+ (f instanceof UIResource ? " UI" : ""); + (f instanceof UIResource ? " UI" : "");
} }
private static String toString( Border b ) { private static String toString( Border b, boolean classHierarchy ) {
if( b == null ) if( b == null )
return "null"; return "null";
String s = b.getClass().getName(); String s = toString( b.getClass(), classHierarchy );
if( b instanceof EmptyBorder ) if( b instanceof EmptyBorder )
s += '(' + toString( ((EmptyBorder)b).getBorderInsets() ) + ')'; s += '(' + toString( ((EmptyBorder)b).getBorderInsets() ) + ')';
@@ -578,4 +621,14 @@ public class FlatInspector
return s; return s;
} }
private static String toDimmedText( String text ) {
Color color = UIManager.getColor( "Label.disabledForeground" );
if( color == null )
color = UIManager.getColor( "Label.disabledText" );
if( color == null )
color = Color.GRAY;
return String.format( "<span color=\"#%06x\">%s</span>",
color.getRGB() & 0xffffff, text );
}
} }