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Theme Editor: auto-completion depending on caret position (none for comments, keys and values); added color functions

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This commit is contained in:
Karl Tauber
2020-07-08 14:28:05 +02:00
parent 80deecb73e
commit 835faf9773
2 changed files with 178 additions and 36 deletions
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213
flatlaf-theme-editor/src/main/java/com/formdev/flatlaf/themeeditor/FlatCompletionProvider.java
View File

@@ -16,57 +16,198 @@
package com.formdev.flatlaf.themeeditor;
import java.awt.Point;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashSet;
import org.fife.ui.autocomplete.BasicCompletion;
import java.util.List;
import javax.swing.text.BadLocationException;
import javax.swing.text.JTextComponent;
import org.fife.ui.autocomplete.Completion;
import org.fife.ui.autocomplete.CompletionProvider;
import org.fife.ui.autocomplete.CompletionProviderBase;
import org.fife.ui.autocomplete.DefaultCompletionProvider;
import org.fife.ui.autocomplete.FunctionCompletion;
import org.fife.ui.autocomplete.ParameterizedCompletion;
import org.fife.ui.autocomplete.ParameterizedCompletion.Parameter;
import org.fife.ui.rsyntaxtextarea.RSyntaxTextArea;
/**
* @author Karl Tauber
*/
class FlatCompletionProvider
extends DefaultCompletionProvider
extends CompletionProviderBase
{
private KeyCompletionProvider keyProvider;
private ValueCompletionProvider valueProvider;
FlatCompletionProvider() {
// load all keys
HashSet<String> keys = new HashSet<>();
try {
try( InputStream in = getClass().getResourceAsStream( "/com/formdev/flatlaf/themeeditor/FlatLafUIKeys.txt" ) ) {
if( in != null ) {
try( BufferedReader reader = new BufferedReader( new InputStreamReader( in, "UTF-8" ) ) ) {
String key;
while( (key = reader.readLine()) != null ) {
keys.add( key );
}
}
}
}
} catch( IOException ex ) {
ex.printStackTrace(); // TODO
}
// collect key parts
HashSet<String> keyParts = new HashSet<>();
for( String key : keys ) {
int delimIndex = key.length() + 1;
while( (delimIndex = key.lastIndexOf( '.', delimIndex - 1 )) >= 0 )
keyParts.add( key.substring( 0, delimIndex + 1 ) );
}
// add key parts
for( String keyPart : keyParts )
addCompletion( new BasicCompletion( this, keyPart ) );
// add all keys
for( String key : keys )
addCompletion( new BasicCompletion( this, key ) );
}
@Override
protected boolean isValidChar( char ch ) {
return super.isValidChar( ch ) || ch == '.';
public String getAlreadyEnteredText( JTextComponent comp ) {
CompletionProvider provider = getProviderFor( comp );
return (provider != null) ? provider.getAlreadyEnteredText( comp ) : null;
}
@Override
public List<Completion> getCompletionsAt( JTextComponent comp, Point p ) {
CompletionProvider provider = getProviderFor( comp );
return (provider != null) ? provider.getCompletionsAt( comp, p ) : null;
}
@Override
public List<ParameterizedCompletion> getParameterizedCompletions( JTextComponent comp ) {
CompletionProvider provider = getProviderFor( comp );
return (provider != null) ? provider.getParameterizedCompletions( comp ) : null;
}
@Override
protected List<Completion> getCompletionsImpl( JTextComponent comp ) {
CompletionProvider provider = getProviderFor( comp );
return (provider != null) ? provider.getCompletions( comp ) : null;
}
private CompletionProvider getProviderFor( JTextComponent comp ) {
RSyntaxTextArea rsta = (RSyntaxTextArea) comp;
try {
int caretPosition = rsta.getCaretPosition();
int currentLine = rsta.getLineOfOffset( caretPosition );
int lineStart = rsta.getLineStartOffset( currentLine );
int lineEnd = rsta.getLineEndOffset( currentLine );
if( caretPosition <= lineStart ) {
// caret is at the start of the line
String line = rsta.getText( lineStart, lineEnd - lineStart );
if( line.trim().startsWith( "#" ) )
return null;
}
String lineBeforeCaret = rsta.getText( lineStart, caretPosition - lineStart );
if( lineBeforeCaret.trim().startsWith( "#" ) )
return null;
if( lineBeforeCaret.indexOf( '=' ) < 0 ) {
if( keyProvider == null )
keyProvider = KeyCompletionProvider.getInstance();
return keyProvider;
} else {
if( valueProvider == null )
valueProvider = new ValueCompletionProvider();
return valueProvider;
}
} catch( BadLocationException ex ) {
// ignore
return null;
}
}
//---- class KeyCompletionProvider ----------------------------------------
private static class KeyCompletionProvider
extends DefaultCompletionProvider
{
private static KeyCompletionProvider instance;
static KeyCompletionProvider getInstance() {
if( instance == null )
instance = new KeyCompletionProvider();
return instance;
}
KeyCompletionProvider() {
// load all keys
HashSet<String> keys = new HashSet<>();
try {
try( InputStream in = getClass().getResourceAsStream( "/com/formdev/flatlaf/themeeditor/FlatLafUIKeys.txt" ) ) {
if( in != null ) {
try( BufferedReader reader = new BufferedReader( new InputStreamReader( in, "UTF-8" ) ) ) {
String key;
while( (key = reader.readLine()) != null ) {
keys.add( key );
}
}
}
}
} catch( IOException ex ) {
ex.printStackTrace(); // TODO
}
// collect key parts
HashSet<String> keyParts = new HashSet<>();
for( String key : keys ) {
int delimIndex = key.length() + 1;
while( (delimIndex = key.lastIndexOf( '.', delimIndex - 1 )) >= 0 )
keyParts.add( key.substring( 0, delimIndex + 1 ) );
}
// add key parts
addWordCompletions( keyParts.toArray( new String[keyParts.size()] ) );
// add all keys
addWordCompletions( keys.toArray( new String[keys.size()] ) );
}
@Override
protected boolean isValidChar( char ch ) {
return super.isValidChar( ch ) || ch == '.';
}
}
//---- class ValueCompletionProvider --------------------------------------
private static class ValueCompletionProvider
extends DefaultCompletionProvider
{
ValueCompletionProvider() {
setParameterizedCompletionParams( '(', ", ", ')' );
addFunction( "rgb",
"red", "0-255 or 0-100%",
"green", "0-255 or 0-100%",
"blue", "0-255 or 0-100%" );
addFunction( "rgba",
"red", "0-255 or 0-100%",
"green", "0-255 or 0-100%",
"blue", "0-255 or 0-100%",
"alpha", "0-255 or 0-100%" );
addFunction( "hsl",
"hue", "0-360 representing degrees",
"saturation", "0-100%",
"lightness", "0-100%" );
addFunction( "hsla",
"hue", "0-360 representing degrees",
"saturation", "0-100%",
"lightness", "0-100%",
"alpha", "0-100%" );
String[] hslIncreaseDecreaseParams = {
"color", "a color (e.g. #f00), a reference (e.g. $Other.key) or a color function",
"amount", "0-100%",
"options", "(optional) [relative] [autoInverse] [noAutoInverse] [lazy] [derived]"
};
addFunction( "lighten", hslIncreaseDecreaseParams );
addFunction( "darken", hslIncreaseDecreaseParams );
addFunction( "saturate", hslIncreaseDecreaseParams );
addFunction( "desaturate", hslIncreaseDecreaseParams );
}
private void addFunction( String name, String... paramNamesAndDescs ) {
List<Parameter> params = new ArrayList<>();
for( int i = 0; i < paramNamesAndDescs.length; i += 2 ) {
boolean endParam = i + 2 >= paramNamesAndDescs.length;
Parameter param = new Parameter( null, paramNamesAndDescs[i], endParam );
param.setDescription( paramNamesAndDescs[i + 1] );
params.add( param );
}
FunctionCompletion f = new FunctionCompletion( this, name, null );
f.setParams( params );
addCompletion( f );
}
}
}

1
flatlaf-theme-editor/src/main/java/com/formdev/flatlaf/themeeditor/FlatThemeEditorPane.java
View File

@@ -79,6 +79,7 @@ class FlatThemeEditorPane
// autocomplete
CompletionProvider provider = new FlatCompletionProvider();
AutoCompletion ac = new AutoCompletion( provider );
ac.setParameterAssistanceEnabled( true );
ac.setChoicesWindowSize( UIScale.scale( 300 ), UIScale.scale( 400 ) );
ac.setDescriptionWindowSize( UIScale.scale( 300 ), UIScale.scale( 400 ) );
ac.install( textArea );