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/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.ui;
import com.intellij.openapi.Disposable;
import com.intellij.openapi.editor.EditorFactory;
import com.intellij.openapi.editor.RangeMarker;
import com.intellij.openapi.editor.colors.EditorColors;
import com.intellij.openapi.editor.colors.EditorColorsScheme;
import com.intellij.openapi.editor.colors.impl.DelegateColorScheme;
import com.intellij.openapi.editor.event.DocumentListener;
import com.intellij.openapi.editor.ex.*;
import com.intellij.openapi.editor.impl.EditorImpl;
import com.intellij.openapi.editor.impl.LineSet;
import com.intellij.openapi.editor.impl.RangeMarkerTree;
import com.intellij.openapi.fileTypes.FileTypes;
import com.intellij.openapi.util.Disposer;
import com.intellij.openapi.util.TextRange;
import com.intellij.openapi.util.UserDataHolderBase;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.util.ArrayUtil;
import com.intellij.util.ObjectUtils;
import com.intellij.util.Processor;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import javax.swing.table.TableCellRenderer;
import java.awt.*;
import java.beans.PropertyChangeListener;
import java.util.Collections;
import java.util.List;
/**
* @author gregsh
*/
public abstract class EditorTextFieldCellRenderer implements TableCellRenderer, Disposable {
private static final String MY_PANEL_PROPERTY = "EditorTextFieldCellRenderer.MyEditorPanel";
public EditorTextFieldCellRenderer(Disposable parent) {
Disposer.register(parent, this);
}
protected abstract EditorColorsScheme getColorScheme();
protected abstract String getText(JTable table, Object value, int row, int column);
protected void customizeEditor(EditorEx editor, Object value, boolean selected, int row, int col) {
}
@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
String text = getText(table, value, row, column);
MyPanel panel = getEditorPanel(table);
EditorEx editor = panel.editor;
int tableFontSize = table.getFont().getSize();
if (editor.getColorsScheme().getEditorFontSize() != tableFontSize) {
editor.getColorsScheme().setEditorFontSize(tableFontSize);
}
setText(editor, text);
if (isSelected) {
((EditorImpl)editor).setPaintSelection(true);
editor.getColorsScheme().setColor(EditorColors.SELECTION_BACKGROUND_COLOR, table.getSelectionBackground());
editor.getColorsScheme().setColor(EditorColors.SELECTION_FOREGROUND_COLOR, table.getSelectionForeground());
editor.getSelectionModel().setSelection(0, editor.getDocument().getTextLength());
editor.setBackgroundColor(table.getSelectionBackground());
}
else {
((EditorImpl)editor).setPaintSelection(false);
editor.getSelectionModel().setSelection(0, 0);
boolean selectedRow = table.getSelectedRowCount() > 0 && table.getSelectedRows()[table.getSelectedRowCount() - 1] == row;
editor.setBackgroundColor(!selectedRow ? table.getBackground() : getColorScheme().getColor(EditorColors.CARET_ROW_COLOR));
}
customizeEditor(editor, value, isSelected, row, column);
return panel;
}
@NotNull
private MyPanel getEditorPanel(JTable table) {
MyPanel panel = (MyPanel)table.getClientProperty(MY_PANEL_PROPERTY);
if (panel != null) {
EditorColorsScheme scheme = panel.editor.getColorsScheme();
if (scheme instanceof DelegateColorScheme) {
((DelegateColorScheme)scheme).setDelegate(getColorScheme());
}
return panel;
}
// reuse EditorTextField initialization logic
EditorTextField field = new EditorTextField(new MyDocument(), null, FileTypes.PLAIN_TEXT);
field.setSupplementary(true);
field.addNotify(); // creates editor
EditorEx editor = (EditorEx)ObjectUtils.assertNotNull(field.getEditor());
editor.setRendererMode(true);
editor.setColorsScheme(editor.createBoundColorSchemeDelegate(null));
editor.getColorsScheme().setColor(EditorColors.CARET_ROW_COLOR, null);
editor.getScrollPane().setBorder(null);
panel = new MyPanel(editor);
Disposer.register(this, panel);
table.putClientProperty(MY_PANEL_PROPERTY, panel);
return panel;
}
@Override
public void dispose() {
}
private static void setText(EditorEx editor, String text) {
editor.getMarkupModel().removeAllHighlighters();
editor.getDocument().setText(text);
editor.getHighlighter().setText(text);
((EditorImpl)editor).resetSizes();
}
private static class MyPanel extends CellRendererPanel implements Disposable {
EditorEx editor;
public MyPanel(EditorEx editor) {
add(editor.getContentComponent());
this.editor = editor;
}
@Override
public void dispose() {
EditorFactory.getInstance().releaseEditor(editor);
}
}
private static class MyDocument extends UserDataHolderBase implements DocumentEx {
RangeMarkerTree<RangeMarkerEx> myRangeMarkers = new RangeMarkerTree<RangeMarkerEx>(this) {};
LineSet myLineSet = new LineSet();
char[] myChars = ArrayUtil.EMPTY_CHAR_ARRAY;
String myString = "";
@Override
public void setText(@NotNull CharSequence text) {
String s = StringUtil.convertLineSeparators(text.toString());
myChars = new char[s.length()];
s.getChars(0, s.length(), myChars, 0);
myString = new String(myChars);
myLineSet.documentCreated(this);
}
@Override
public void setStripTrailingSpacesEnabled(boolean isEnabled) {
}
@NotNull
@Override
public LineIterator createLineIterator() {
return myLineSet.createIterator();
}
@Override public void setModificationStamp(long modificationStamp) { }
@Override public void addEditReadOnlyListener(@NotNull EditReadOnlyListener listener) { }
@Override public void removeEditReadOnlyListener(@NotNull EditReadOnlyListener listener) { }
@Override public void replaceText(@NotNull CharSequence chars, long newModificationStamp) { }
@Override public void moveText(int srcStart, int srcEnd, int dstOffset) { }
@Override public int getListenersCount() { return 0; }
@Override public void suppressGuardedExceptions() { }
@Override public void unSuppressGuardedExceptions() { }
@Override public boolean isInEventsHandling() { return false; }
@Override public void clearLineModificationFlags() { }
@Override public boolean removeRangeMarker(@NotNull RangeMarkerEx rangeMarker) { return myRangeMarkers.removeInterval(rangeMarker); }
@Override
public void registerRangeMarker(@NotNull RangeMarkerEx rangeMarker,
int start,
int end,
boolean greedyToLeft,
boolean greedyToRight,
int layer) {
myRangeMarkers.addInterval(rangeMarker, start, end, greedyToLeft, greedyToRight, layer);
}
@Override public boolean isInBulkUpdate() { return false; }
@Override public void setInBulkUpdate(boolean value) { }
@NotNull @Override public List<RangeMarker> getGuardedBlocks() { return Collections.emptyList(); }
@Override public boolean processRangeMarkers(@NotNull Processor<RangeMarker> processor) { return myRangeMarkers.process(processor); }
@Override public boolean processRangeMarkersOverlappingWith(int start, int end, @NotNull Processor<RangeMarker> processor) { return myRangeMarkers.processOverlappingWith(start, end, processor); }
@NotNull
@Override public String getText() { return myString; }
@NotNull @Override public String getText(@NotNull TextRange range) { return range.substring(getText()); }
@NotNull @Override public CharSequence getCharsSequence() { return myString; }
@NotNull @Override public CharSequence getImmutableCharSequence() { return getText(); }
@NotNull @Override public char[] getChars() { return myChars; }
@Override public int getTextLength() { return myChars.length; }
@Override public int getLineCount() { return myLineSet.findLineIndex(myChars.length) + 1; }
@Override public int getLineNumber(int offset) { return myLineSet.findLineIndex(offset); }
@Override public int getLineStartOffset(int line) { return myChars.length == 0 ? 0 : myLineSet.getLineStart(line); }
@Override public int getLineEndOffset(int line) { return myChars.length == 0? 0 : myLineSet.getLineEnd(line); }
@Override public void insertString(int offset, @NotNull CharSequence s) { }
@Override public void deleteString(int startOffset, int endOffset) { }
@Override public void replaceString(int startOffset, int endOffset, @NotNull CharSequence s) { }
@Override public boolean isWritable() { return false; }
@Override public long getModificationStamp() { return 0; }
@Override public void fireReadOnlyModificationAttempt() { }
@Override public void addDocumentListener(@NotNull DocumentListener listener) { }
@Override public void addDocumentListener(@NotNull DocumentListener listener, @NotNull Disposable parentDisposable) { }
@Override public void removeDocumentListener(@NotNull DocumentListener listener) { }
@NotNull @Override public RangeMarker createRangeMarker(int startOffset, int endOffset) { return null; }
@NotNull @Override public RangeMarker createRangeMarker(int startOffset, int endOffset, boolean surviveOnExternalChange) { return null; }
@Override public void addPropertyChangeListener(@NotNull PropertyChangeListener listener) { }
@Override public void removePropertyChangeListener(@NotNull PropertyChangeListener listener) { }
@Override public void setReadOnly(boolean isReadOnly) { }
@NotNull @Override public RangeMarker createGuardedBlock(int startOffset, int endOffset) { return null; }
@Override public void removeGuardedBlock(@NotNull RangeMarker block) { }
@Nullable @Override public RangeMarker getOffsetGuard(int offset) { return null; }
@Nullable @Override public RangeMarker getRangeGuard(int start, int end) { return null; }
@Override public void startGuardedBlockChecking() { }
@Override public void stopGuardedBlockChecking() { }
@Override public void setCyclicBufferSize(int bufferSize) { }
@NotNull @Override public RangeMarker createRangeMarker(@NotNull TextRange textRange) { return null; }
@Override public int getLineSeparatorLength(int line) { return 0; }
}
}
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