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Merge pull request #1063 in DESIGN/design from ~BRUCE.DENG/design:feature/10.0 to feature/10.0 

* commit '8877c174a2c75fb64d421db4ac3705aa240893e9':
  REPORT-20318 sonar问题修复-zack
research/11.0
Bruce.Deng 5 years ago
parent
f4502fe7b1 8877c174a2
commit
5108f6b353
2 changed files with 310 additions and 292 deletions
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  1. 229
      designer-base/src/main/java/com/fr/design/gui/syntax/ui/rsyntaxtextarea/SyntaxView.java
  2. 43
      designer-base/src/main/java/com/fr/design/gui/syntax/ui/rsyntaxtextarea/WrappedSyntaxView.java

229
designer-base/src/main/java/com/fr/design/gui/syntax/ui/rsyntaxtextarea/SyntaxView.java
Unescape View File

@ -9,24 +9,37 @@
*/ */
package com.fr.design.gui.syntax.ui.rsyntaxtextarea; package com.fr.design.gui.syntax.ui.rsyntaxtextarea;
import java.awt.*;
import javax.swing.event.*;
import javax.swing.text.*;
import com.fr.design.gui.syntax.ui.rsyntaxtextarea.folding.Fold; import com.fr.design.gui.syntax.ui.rsyntaxtextarea.folding.Fold;
import com.fr.design.gui.syntax.ui.rsyntaxtextarea.folding.FoldManager; import com.fr.design.gui.syntax.ui.rsyntaxtextarea.folding.FoldManager;
import javax.swing.event.DocumentEvent;
import javax.swing.text.BadLocationException;
import javax.swing.text.Element;
import javax.swing.text.PlainDocument;
import javax.swing.text.Position;
import javax.swing.text.TabExpander;
import javax.swing.text.View;
import javax.swing.text.ViewFactory;
import java.awt.Color;
import java.awt.Component;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.Shape;
/** /**
* The <code>javax.swing.text.View</code> object used by {@link RSyntaxTextArea} * The <code>javax.swing.text.View</code> object used by {@link RSyntaxTextArea}
* when word wrap is disabled. It implements syntax highlighting for * when word wrap is disabled. It implements syntax highlighting for
* programming languages using the colors and font styles specified by the * programming languages using the colors and font styles specified by the
* <code>RSyntaxTextArea</code>.<p> * <code>RSyntaxTextArea</code>.<p>
* * <p>
* You don't really have to do anything to use this class, as * You don't really have to do anything to use this class, as
* {@link RSyntaxTextAreaUI} automatically sets the text area's view to be * {@link RSyntaxTextAreaUI} automatically sets the text area's view to be
* an instance of this class if word wrap is disabled.<p> * an instance of this class if word wrap is disabled.<p>
* * <p>
* The tokens that specify how to paint the syntax-highlighted text are gleaned * The tokens that specify how to paint the syntax-highlighted text are gleaned
* from the text area's {@link RSyntaxDocument}. * from the text area's {@link RSyntaxDocument}.
* *
@ -105,7 +118,7 @@ public class SyntaxView extends View implements TabExpander,
tabSize = getTabSize() * metrics.charWidth(' '); tabSize = getTabSize() * metrics.charWidth(' ');
Element lines = getElement(); Element lines = getElement();
int n = lines.getElementCount(); int n = lines.getElementCount();
for (int i=0; i<n; i++) { for (int i = 0; i < n; i++) {
Element line = lines.getElement(i); Element line = lines.getElement(i);
float w = getLineWidth(i); float w = getLineWidth(i);
if (w > longLineWidth) { if (w > longLineWidth) {
@ -149,8 +162,7 @@ public class SyntaxView extends View implements TabExpander,
if ((area0 != null) && (area1 != null)) { if ((area0 != null) && (area1 != null)) {
Rectangle dmg = area0.union(area1); // damage. Rectangle dmg = area0.union(area1); // damage.
host.repaint(dmg.x, dmg.y, dmg.width, dmg.height); host.repaint(dmg.x, dmg.y, dmg.width, dmg.height);
} } else
else
host.repaint(); host.repaint();
} }
} }
@ -174,8 +186,8 @@ public class SyntaxView extends View implements TabExpander,
float nextX = x; // The x-value at the end of our text. float nextX = x; // The x-value at the end of our text.
while (token!=null && token.isPaintable() && nextX<clipEnd) { while (token != null && token.isPaintable() && nextX < clipEnd) {
nextX = painter.paint(token, g, nextX,y, host, this, clipStart); nextX = painter.paint(token, g, nextX, y, host, this, clipStart);
token = token.getNextToken(); token = token.getNextToken();
} }
@ -212,15 +224,15 @@ public class SyntaxView extends View implements TabExpander,
float nextX = x; // The x-value at the end of our text. float nextX = x; // The x-value at the end of our text.
while (token!=null && token.isPaintable() && nextX<clipEnd) { while (token != null && token.isPaintable() && nextX < clipEnd) {
// Selection starts in this token // Selection starts in this token
if (token.containsPosition(selStart)) { if (token.containsPosition(selStart)) {
if (selStart>token.getOffset()) { if (selStart > token.getOffset()) {
tempToken.copyFrom(token); tempToken.copyFrom(token);
tempToken.textCount = selStart - tempToken.getOffset(); tempToken.textCount = selStart - tempToken.getOffset();
nextX = painter.paint(tempToken,g,nextX,y,host, this, clipStart); nextX = painter.paint(tempToken, g, nextX, y, host, this, clipStart);
tempToken.textCount = token.length(); tempToken.textCount = token.length();
tempToken.makeStartAt(selStart); tempToken.makeStartAt(selStart);
// Clone required since token and tempToken must be // Clone required since token and tempToken must be
@ -229,20 +241,19 @@ public class SyntaxView extends View implements TabExpander,
} }
int tokenLen = token.length(); int tokenLen = token.length();
int selCount = Math.min(tokenLen, selEnd-token.getOffset()); int selCount = Math.min(tokenLen, selEnd - token.getOffset());
if (selCount==tokenLen) { if (selCount == tokenLen) {
nextX = painter.paintSelected(token, g, nextX,y, host, nextX = painter.paintSelected(token, g, nextX, y, host,
this, clipStart); this, clipStart);
} } else {
else {
tempToken.copyFrom(token); tempToken.copyFrom(token);
tempToken.textCount = selCount; tempToken.textCount = selCount;
nextX = painter.paintSelected(tempToken, g, nextX,y, host, nextX = painter.paintSelected(tempToken, g, nextX, y, host,
this, clipStart); this, clipStart);
tempToken.textCount = token.length(); tempToken.textCount = token.length();
tempToken.makeStartAt(token.getOffset() + selCount); tempToken.makeStartAt(token.getOffset() + selCount);
token = tempToken; token = tempToken;
nextX = painter.paint(token, g, nextX,y, host, this, nextX = painter.paint(token, g, nextX, y, host, this,
clipStart); clipStart);
} }
@ -252,24 +263,24 @@ public class SyntaxView extends View implements TabExpander,
else if (token.containsPosition(selEnd)) { else if (token.containsPosition(selEnd)) {
tempToken.copyFrom(token); tempToken.copyFrom(token);
tempToken.textCount = selEnd - tempToken.getOffset(); tempToken.textCount = selEnd - tempToken.getOffset();
nextX = painter.paintSelected(tempToken, g, nextX,y, host, this, nextX = painter.paintSelected(tempToken, g, nextX, y, host, this,
clipStart); clipStart);
tempToken.textCount = token.length(); tempToken.textCount = token.length();
tempToken.makeStartAt(selEnd); tempToken.makeStartAt(selEnd);
token = tempToken; token = tempToken;
nextX = painter.paint(token, g, nextX,y, host, this, clipStart); nextX = painter.paint(token, g, nextX, y, host, this, clipStart);
} }
// This token is entirely selected // This token is entirely selected
else if (token.getOffset()>=selStart && else if (token.getOffset() >= selStart &&
token.getEndOffset()<=selEnd) { token.getEndOffset() <= selEnd) {
nextX = painter.paintSelected(token, g, nextX,y, host, this, nextX = painter.paintSelected(token, g, nextX, y, host, this,
clipStart); clipStart);
} }
// This token is entirely unselected // This token is entirely unselected
else { else {
nextX = painter.paint(token, g, nextX,y, host, this, clipStart); nextX = painter.paint(token, g, nextX, y, host, this, clipStart);
} }
token = token.getNextToken(); token = token.getNextToken();
@ -298,10 +309,10 @@ public class SyntaxView extends View implements TabExpander,
* @return The width of the line. * @return The width of the line.
*/ */
private float getLineWidth(int lineNumber) { private float getLineWidth(int lineNumber) {
Token tokenList = ((RSyntaxDocument)getDocument()). Token tokenList = ((RSyntaxDocument) getDocument()).
getTokenListForLine(lineNumber); getTokenListForLine(lineNumber);
return RSyntaxUtilities.getTokenListWidth(tokenList, return RSyntaxUtilities.getTokenListWidth(tokenList,
(RSyntaxTextArea)getContainer(), (RSyntaxTextArea) getContainer(),
this); this);
} }
@ -320,8 +331,8 @@ public class SyntaxView extends View implements TabExpander,
* SwingConstants.NORTH, or SwingConstants.SOUTH. * SwingConstants.NORTH, or SwingConstants.SOUTH.
* @return the location within the model that best represents the next * @return the location within the model that best represents the next
* location visual position. * location visual position.
* @exception BadLocationException * @throws BadLocationException
* @exception IllegalArgumentException for an invalid direction * @throws IllegalArgumentException for an invalid direction
*/ */
@Override @Override
public int getNextVisualPositionFrom(int pos, Position.Bias b, Shape a, public int getNextVisualPositionFrom(int pos, Position.Bias b, Shape a,
@ -341,7 +352,7 @@ public class SyntaxView extends View implements TabExpander,
* Typically the view is told to render into the span * Typically the view is told to render into the span
* that is returned, although there is no guarantee. * that is returned, although there is no guarantee.
* The parent may choose to resize or break the view. * The parent may choose to resize or break the view.
* @exception IllegalArgumentException for an invalid axis * @throws IllegalArgumentException for an invalid axis
*/ */
@Override @Override
public float getPreferredSpan(int axis) { public float getPreferredSpan(int axis) {
@ -357,13 +368,13 @@ public class SyntaxView extends View implements TabExpander,
// We update lineHeight here as when this method is first // We update lineHeight here as when this method is first
// called, lineHeight isn't initialized. If we don't do it // called, lineHeight isn't initialized. If we don't do it
// here, we get no vertical scrollbar (as lineHeight==0). // here, we get no vertical scrollbar (as lineHeight==0).
lineHeight = host!=null ? host.getLineHeight() : lineHeight; lineHeight = host != null ? host.getLineHeight() : lineHeight;
// return getElement().getElementCount() * lineHeight; // return getElement().getElementCount() * lineHeight;
int visibleLineCount = getElement().getElementCount(); int visibleLineCount = getElement().getElementCount();
if (host.isCodeFoldingEnabled()) { if (host.isCodeFoldingEnabled()) {
visibleLineCount -= host.getFoldManager().getHiddenLineCount(); visibleLineCount -= host.getFoldManager().getHiddenLineCount();
} }
return visibleLineCount * lineHeight; return visibleLineCount * lineHeight;
default: default:
throw new IllegalArgumentException("Invalid axis: " + axis); throw new IllegalArgumentException("Invalid axis: " + axis);
} }
@ -378,7 +389,7 @@ return visibleLineCount * lineHeight;
*/ */
private final int getRhsCorrection() { private final int getRhsCorrection() {
int rhsCorrection = 10; int rhsCorrection = 10;
if (host!=null) { if (host != null) {
rhsCorrection = host.getRightHandSideCorrection(); rhsCorrection = host.getRightHandSideCorrection();
} }
return rhsCorrection; return rhsCorrection;
@ -391,7 +402,7 @@ return visibleLineCount * lineHeight;
* @return The tab size. * @return The tab size.
*/ */
private int getTabSize() { private int getTabSize() {
Integer i = (Integer)getDocument().getProperty( Integer i = (Integer) getDocument().getProperty(
PlainDocument.tabSizeAttribute); PlainDocument.tabSizeAttribute);
int size = (i != null) ? i.intValue() : 5; int size = (i != null) ? i.intValue() : 5;
return size; return size;
@ -411,22 +422,21 @@ return visibleLineCount * lineHeight;
* the document, <code>null</code> is returned. * the document, <code>null</code> is returned.
*/ */
public Token getTokenListForPhysicalLineAbove(int offset) { public Token getTokenListForPhysicalLineAbove(int offset) {
RSyntaxDocument document = (RSyntaxDocument)getDocument(); RSyntaxDocument document = (RSyntaxDocument) getDocument();
Element map = document.getDefaultRootElement(); Element map = document.getDefaultRootElement();
int line = map.getElementIndex(offset); int line = map.getElementIndex(offset);
FoldManager fm = host.getFoldManager(); FoldManager fm = host.getFoldManager();
if (fm==null) { if (fm == null) {
line--; line--;
if (line>=0) { if (line >= 0) {
return document.getTokenListForLine(line); return document.getTokenListForLine(line);
} }
} } else {
else {
line = fm.getVisibleLineAbove(line); line = fm.getVisibleLineAbove(line);
if (line>=0) { if (line >= 0) {
return document.getTokenListForLine(line); return document.getTokenListForLine(line);
} }
} }
// int line = map.getElementIndex(offset) - 1; // int line = map.getElementIndex(offset) - 1;
// if (line>=0) // if (line>=0)
// return document.getTokenListForLine(line); // return document.getTokenListForLine(line);
@ -447,22 +457,21 @@ else {
* line in the document, <code>null</code> is returned. * line in the document, <code>null</code> is returned.
*/ */
public Token getTokenListForPhysicalLineBelow(int offset) { public Token getTokenListForPhysicalLineBelow(int offset) {
RSyntaxDocument document = (RSyntaxDocument)getDocument(); RSyntaxDocument document = (RSyntaxDocument) getDocument();
Element map = document.getDefaultRootElement(); Element map = document.getDefaultRootElement();
int lineCount = map.getElementCount(); int lineCount = map.getElementCount();
int line = map.getElementIndex(offset); int line = map.getElementIndex(offset);
if (!host.isCodeFoldingEnabled()) { if (!host.isCodeFoldingEnabled()) {
if (line<lineCount-1) { if (line < lineCount - 1) {
return document.getTokenListForLine(line+1); return document.getTokenListForLine(line + 1);
} }
} } else {
else {
FoldManager fm = host.getFoldManager(); FoldManager fm = host.getFoldManager();
line = fm.getVisibleLineBelow(line); line = fm.getVisibleLineBelow(line);
if (line>=0 && line<lineCount) { if (line >= 0 && line < lineCount) {
return document.getTokenListForLine(line); return document.getTokenListForLine(line);
} }
} }
// int line = map.getElementIndex(offset); // int line = map.getElementIndex(offset);
// int lineCount = map.getElementCount(); // int lineCount = map.getElementCount();
// if (line<lineCount-1) // if (line<lineCount-1)
@ -500,13 +509,13 @@ else {
// NOTE: lineHeight is not initially set here, leading to the // NOTE: lineHeight is not initially set here, leading to the
// current line not being highlighted when a document is first // current line not being highlighted when a document is first
// opened. So, we set it here just in case. // opened. So, we set it here just in case.
lineHeight = host!=null ? host.getLineHeight() : lineHeight; lineHeight = host != null ? host.getLineHeight() : lineHeight;
if (host.isCodeFoldingEnabled()) { if (host != null && host.isCodeFoldingEnabled()) {
FoldManager fm = host.getFoldManager(); FoldManager fm = host.getFoldManager();
int hiddenCount = fm.getHiddenLineCountAbove(line); int hiddenCount = fm.getHiddenLineCountAbove(line);
line -= hiddenCount; line -= hiddenCount;
} }
r = new Rectangle(alloc.x, alloc.y + line*lineHeight, r = new Rectangle(alloc.x, alloc.y + line * lineHeight,
alloc.width, lineHeight); alloc.width, lineHeight);
} }
return r; return r;
@ -520,7 +529,7 @@ if (host.isCodeFoldingEnabled()) {
* @param pos the position to convert >= 0 * @param pos the position to convert >= 0
* @param a the allocated region to render into * @param a the allocated region to render into
* @return the bounding box of the given position * @return the bounding box of the given position
* @exception BadLocationException if the given position does not * @throws BadLocationException if the given position does not
* represent a valid location in the associated document * represent a valid location in the associated document
* @see View#modelToView * @see View#modelToView
*/ */
@ -530,7 +539,7 @@ if (host.isCodeFoldingEnabled()) {
// line coordinates // line coordinates
Element map = getElement(); Element map = getElement();
RSyntaxDocument doc = (RSyntaxDocument)getDocument(); RSyntaxDocument doc = (RSyntaxDocument) getDocument();
int lineIndex = map.getElementIndex(pos); int lineIndex = map.getElementIndex(pos);
Token tokenList = doc.getTokenListForLine(lineIndex); Token tokenList = doc.getTokenListForLine(lineIndex);
Rectangle lineArea = lineToRect(a, lineIndex); Rectangle lineArea = lineToRect(a, lineIndex);
@ -542,7 +551,7 @@ if (host.isCodeFoldingEnabled()) {
// We use this method instead as it returns the actual bounding box, // We use this method instead as it returns the actual bounding box,
// not just the x-coordinate. // not just the x-coordinate.
lineArea = tokenList.listOffsetToView( lineArea = tokenList.listOffsetToView(
(RSyntaxTextArea)getContainer(), this, pos, (RSyntaxTextArea) getContainer(), this, pos,
tabBase, lineArea); tabBase, lineArea);
return lineArea; return lineArea;
@ -554,7 +563,7 @@ if (host.isCodeFoldingEnabled()) {
* Provides a mapping, for a given region, from the document model * Provides a mapping, for a given region, from the document model
* coordinate space to the view coordinate space. The specified region is * coordinate space to the view coordinate space. The specified region is
* created as a union of the first and last character positions.<p> * created as a union of the first and last character positions.<p>
* * <p>
* This is implemented to subtract the width of the second character, as * This is implemented to subtract the width of the second character, as
* this view's <code>modelToView</code> actually returns the width of the * this view's <code>modelToView</code> actually returns the width of the
* character instead of "1" or "0" like the View implementations in * character instead of "1" or "0" like the View implementations in
@ -578,9 +587,9 @@ if (host.isCodeFoldingEnabled()) {
* @param a the area of the view, which encompasses the requested region * @param a the area of the view, which encompasses the requested region
* @return the bounding box which is a union of the region specified * @return the bounding box which is a union of the region specified
* by the first and last character positions * by the first and last character positions
* @exception BadLocationException if the given position does * @throws BadLocationException if the given position does
* not represent a valid location in the associated document * not represent a valid location in the associated document
* @exception IllegalArgumentException if <code>b0</code> or * @throws IllegalArgumentException if <code>b0</code> or
* <code>b1</code> are not one of the * <code>b1</code> are not one of the
* legal <code>Position.Bias</code> values listed above * legal <code>Position.Bias</code> values listed above
* @see View#viewToModel * @see View#viewToModel
@ -592,7 +601,7 @@ if (host.isCodeFoldingEnabled()) {
Shape s0 = modelToView(p0, a, b0); Shape s0 = modelToView(p0, a, b0);
Shape s1; Shape s1;
if (p1 ==getEndOffset()) { if (p1 == getEndOffset()) {
try { try {
s1 = modelToView(p1, a, b1); s1 = modelToView(p1, a, b1);
} catch (BadLocationException ble) { } catch (BadLocationException ble) {
@ -600,20 +609,19 @@ if (host.isCodeFoldingEnabled()) {
} }
if (s1 == null) { if (s1 == null) {
// Assume extends left to right. // Assume extends left to right.
Rectangle alloc = (a instanceof Rectangle) ? (Rectangle)a : Rectangle alloc = (a instanceof Rectangle) ? (Rectangle) a :
a.getBounds(); a.getBounds();
s1 = new Rectangle(alloc.x + alloc.width - 1, alloc.y, s1 = new Rectangle(alloc.x + alloc.width - 1, alloc.y,
1, alloc.height); 1, alloc.height);
} }
} } else {
else {
s1 = modelToView(p1, a, b1); s1 = modelToView(p1, a, b1);
} }
Rectangle r0 = s0 instanceof Rectangle ? (Rectangle)s0 : s0.getBounds(); Rectangle r0 = s0 instanceof Rectangle ? (Rectangle) s0 : s0.getBounds();
Rectangle r1 = s1 instanceof Rectangle ? (Rectangle)s1 : s1.getBounds(); Rectangle r1 = s1 instanceof Rectangle ? (Rectangle) s1 : s1.getBounds();
if (r0.y != r1.y) { if (r0.y != r1.y) {
// If it spans lines, force it to be the width of the view. // If it spans lines, force it to be the width of the view.
Rectangle alloc = (a instanceof Rectangle) ? (Rectangle)a : Rectangle alloc = (a instanceof Rectangle) ? (Rectangle) a :
a.getBounds(); a.getBounds();
r0.x = alloc.x; r0.x = alloc.x;
r0.width = alloc.width; r0.width = alloc.width;
@ -627,7 +635,7 @@ if (host.isCodeFoldingEnabled()) {
// this, one character too many is highlighted thanks to our // this, one character too many is highlighted thanks to our
// modelToView() implementation returning the actual width of the // modelToView() implementation returning the actual width of the
// character requested! // character requested!
if (p1>p0) r0.width -= r1.width; if (p1 > p0) r0.width -= r1.width;
return r0; return r0;
@ -647,7 +655,7 @@ if (host.isCodeFoldingEnabled()) {
public float nextTabStop(float x, int tabOffset) { public float nextTabStop(float x, int tabOffset) {
if (tabSize == 0) if (tabSize == 0)
return x; return x;
int ntabs = (((int)x) - tabBase) / tabSize; int ntabs = (((int) x) - tabBase) / tabSize;
return tabBase + ((ntabs + 1) * tabSize); return tabBase + ((ntabs + 1) * tabSize);
} }
@ -662,12 +670,12 @@ if (host.isCodeFoldingEnabled()) {
@Override @Override
public void paint(Graphics g, Shape a) { public void paint(Graphics g, Shape a) {
RSyntaxDocument document = (RSyntaxDocument)getDocument(); RSyntaxDocument document = (RSyntaxDocument) getDocument();
Rectangle alloc = a.getBounds(); Rectangle alloc = a.getBounds();
tabBase = alloc.x; tabBase = alloc.x;
host = (RSyntaxTextArea)getContainer(); host = (RSyntaxTextArea) getContainer();
Rectangle clip = g.getClipBounds(); Rectangle clip = g.getClipBounds();
// An attempt to speed things up for files with long lines. Note that // An attempt to speed things up for files with long lines. Note that
@ -695,52 +703,51 @@ if (host.isCodeFoldingEnabled()) {
boolean useSelectedTextColor = host.getUseSelectedTextColor(); boolean useSelectedTextColor = host.getUseSelectedTextColor();
RSyntaxTextAreaHighlighter h = RSyntaxTextAreaHighlighter h =
(RSyntaxTextAreaHighlighter)host.getHighlighter(); (RSyntaxTextAreaHighlighter) host.getHighlighter();
Graphics2D g2d = (Graphics2D)g; Graphics2D g2d = (Graphics2D) g;
Token token; Token token;
//System.err.println("Painting lines: " + linesAbove + " to " + (endLine-1)); //System.err.println("Painting lines: " + linesAbove + " to " + (endLine-1));
TokenPainter painter = host.getTokenPainter(); TokenPainter painter = host.getTokenPainter();
int line = linesAbove; int line = linesAbove;
//int count = 0; //int count = 0;
while (y<clip.y+clip.height+ascent && line<lineCount) { while (y < clip.y + clip.height + ascent && line < lineCount) {
Fold fold = fm.getFoldForLine(line); Fold fold = fm.getFoldForLine(line);
Element lineElement = map.getElement(line); Element lineElement = map.getElement(line);
int startOffset = lineElement.getStartOffset(); int startOffset = lineElement.getStartOffset();
//int endOffset = (line==lineCount ? lineElement.getEndOffset()-1 : //int endOffset = (line==lineCount ? lineElement.getEndOffset()-1 :
// lineElement.getEndOffset()-1); // lineElement.getEndOffset()-1);
int endOffset = lineElement.getEndOffset()-1; // Why always "-1"? int endOffset = lineElement.getEndOffset() - 1; // Why always "-1"?
h.paintLayeredHighlights(g2d, startOffset, endOffset, h.paintLayeredHighlights(g2d, startOffset, endOffset,
a, host, this); a, host, this);
// Paint a line of text. // Paint a line of text.
token = document.getTokenListForLine(line); token = document.getTokenListForLine(line);
if (!useSelectedTextColor || selStart==selEnd || if (!useSelectedTextColor || selStart == selEnd ||
(startOffset>=selEnd || endOffset<selStart)) { (startOffset >= selEnd || endOffset < selStart)) {
drawLine(painter, token, g2d, x,y); drawLine(painter, token, g2d, x, y);
} } else {
else {
//System.out.println("Drawing line with selection: " + line); //System.out.println("Drawing line with selection: " + line);
drawLineWithSelection(painter,token,g2d, x,y, selStart, selEnd); drawLineWithSelection(painter, token, g2d, x, y, selStart, selEnd);
} }
if (fold!=null && fold.isCollapsed()) { if (fold != null && fold.isCollapsed()) {
// Visible indicator of collapsed lines // Visible indicator of collapsed lines
Color c = RSyntaxUtilities.getFoldedLineBottomColor(host); Color c = RSyntaxUtilities.getFoldedLineBottomColor(host);
if (c!=null) { if (c != null) {
g.setColor(c); g.setColor(c);
g.drawLine(x,y+lineHeight-ascent-1, g.drawLine(x, y + lineHeight - ascent - 1,
alloc.width,y+lineHeight-ascent-1); alloc.width, y + lineHeight - ascent - 1);
} }
// Skip to next line to paint, taking extra care for lines with // Skip to next line to paint, taking extra care for lines with
// block ends and begins together, e.g. "} else {" // block ends and begins together, e.g. "} else {"
do { do {
int hiddenLineCount = fold.getLineCount(); int hiddenLineCount = fold.getLineCount();
if (hiddenLineCount==0) { if (hiddenLineCount == 0) {
// Fold parser identified a zero-line fold region. // Fold parser identified a zero-line fold region.
// This is really a bug, but we'll be graceful here // This is really a bug, but we'll be graceful here
// and avoid an infinite loop. // and avoid an infinite loop.
@ -748,7 +755,7 @@ if (host.isCodeFoldingEnabled()) {
} }
line += hiddenLineCount; line += hiddenLineCount;
fold = fm.getFoldForLine(line); fold = fm.getFoldForLine(line);
} while (fold!=null && fold.isCollapsed()); } while (fold != null && fold.isCollapsed());
} }
@ -824,7 +831,7 @@ if (host.isCodeFoldingEnabled()) {
if (added != null) { if (added != null) {
int addedAt = ec.getIndex(); // FIXME: Is this correct????? int addedAt = ec.getIndex(); // FIXME: Is this correct?????
for (int i = 0; i < added.length; i++) for (int i = 0; i < added.length; i++)
possiblyUpdateLongLine(added[i], addedAt+i); possiblyUpdateLongLine(added[i], addedAt + i);
} }
if (removed != null) { if (removed != null) {
for (int i = 0; i < removed.length; i++) { for (int i = 0; i < removed.length; i++) {
@ -841,14 +848,12 @@ if (host.isCodeFoldingEnabled()) {
// This occurs when syntax highlighting only changes on lines // This occurs when syntax highlighting only changes on lines
// (i.e. beginning a multiline comment). // (i.e. beginning a multiline comment).
else if (changes.getType()==DocumentEvent.EventType.CHANGE) { else if (changes.getType() == DocumentEvent.EventType.CHANGE) {
//System.err.println("Updating the damage due to a CHANGE event..."); //System.err.println("Updating the damage due to a CHANGE event...");
int startLine = changes.getOffset(); int startLine = changes.getOffset();
int endLine = changes.getLength(); int endLine = changes.getLength();
damageLineRange(startLine,endLine, a, host); damageLineRange(startLine, endLine, a, host);
} } else {
else {
Element map = getElement(); Element map = getElement();
int line = map.getElementIndex(changes.getOffset()); int line = map.getElementIndex(changes.getOffset());
damageLineRange(line, line, a, host); damageLineRange(line, line, a, host);
@ -861,14 +866,12 @@ if (host.isCodeFoldingEnabled()) {
// because it has gotten longer. // because it has gotten longer.
longLineWidth = getLineWidth(line); longLineWidth = getLineWidth(line);
preferenceChanged(null, true, false); preferenceChanged(null, true, false);
} } else {
else {
// If long line gets updated, update the status bars too. // If long line gets updated, update the status bars too.
if (possiblyUpdateLongLine(e, line)) if (possiblyUpdateLongLine(e, line))
preferenceChanged(null, true, false); preferenceChanged(null, true, false);
} }
} } else if (changes.getType() == DocumentEvent.EventType.REMOVE) {
else if (changes.getType() == DocumentEvent.EventType.REMOVE) {
if (map.getElement(line) == longLine) { if (map.getElement(line) == longLine) {
// removed from longest line... recalc // removed from longest line... recalc
longLineWidth = -1; // Must do this! longLineWidth = -1; // Must do this!
@ -884,7 +887,7 @@ if (host.isCodeFoldingEnabled()) {
* Checks to see if the font metrics and longest line are up-to-date. * Checks to see if the font metrics and longest line are up-to-date.
*/ */
private void updateMetrics() { private void updateMetrics() {
host = (RSyntaxTextArea)getContainer(); host = (RSyntaxTextArea) getContainer();
Font f = host.getFont(); Font f = host.getFont();
if (font != f) { if (font != f) {
// The font changed, we need to recalculate the longest line! // The font changed, we need to recalculate the longest line!
@ -910,7 +913,7 @@ if (host.isCodeFoldingEnabled()) {
bias[0] = Position.Bias.Forward; bias[0] = Position.Bias.Forward;
Rectangle alloc = a.getBounds(); Rectangle alloc = a.getBounds();
RSyntaxDocument doc = (RSyntaxDocument)getDocument(); RSyntaxDocument doc = (RSyntaxDocument) getDocument();
int x = (int) fx; int x = (int) fx;
int y = (int) fy; int y = (int) fy;
@ -936,9 +939,9 @@ if (host.isCodeFoldingEnabled()) {
Element map = doc.getDefaultRootElement(); Element map = doc.getDefaultRootElement();
int lineIndex = Math.abs((y - alloc.y) / lineHeight);//metrics.getHeight() ); int lineIndex = Math.abs((y - alloc.y) / lineHeight);//metrics.getHeight() );
FoldManager fm = host.getFoldManager(); FoldManager fm = host.getFoldManager();
//System.out.print("--- " + lineIndex); //System.out.print("--- " + lineIndex);
lineIndex += fm.getHiddenLineCountAbove(lineIndex, true); lineIndex += fm.getHiddenLineCountAbove(lineIndex, true);
//System.out.println(" => " + lineIndex); //System.out.println(" => " + lineIndex);
if (lineIndex >= map.getElementCount()) { if (lineIndex >= map.getElementCount()) {
return host.getLastVisibleOffset(); return host.getLastVisibleOffset();
@ -960,9 +963,9 @@ lineIndex += fm.getHiddenLineCountAbove(lineIndex, true);
Token tokenList = doc.getTokenListForLine(lineIndex); Token tokenList = doc.getTokenListForLine(lineIndex);
tabBase = alloc.x; tabBase = alloc.x;
int offs = tokenList.getListOffset( int offs = tokenList.getListOffset(
(RSyntaxTextArea)getContainer(), (RSyntaxTextArea) getContainer(),
this, tabBase, x); this, tabBase, x);
return offs!=-1 ? offs : p0; return offs != -1 ? offs : p0;
} }
} // End of else. } // End of else.
@ -981,11 +984,13 @@ lineIndex += fm.getHiddenLineCountAbove(lineIndex, true);
// NOTE: lineHeight is not initially set here, leading to the // NOTE: lineHeight is not initially set here, leading to the
// current line not being highlighted when a document is first // current line not being highlighted when a document is first
// opened. So, we set it here just in case. // opened. So, we set it here just in case.
lineHeight = host!=null ? host.getLineHeight() : lineHeight; lineHeight = host != null ? host.getLineHeight() : lineHeight;
if (host != null) {
FoldManager fm = host.getFoldManager(); FoldManager fm = host.getFoldManager();
if (!fm.isLineHidden(line)) { if (!fm.isLineHidden(line)) {
line -= fm.getHiddenLineCountAbove(line); line -= fm.getHiddenLineCountAbove(line);
return alloc.y + line*lineHeight; return alloc.y + line * lineHeight;
}
} }
} }

43
designer-base/src/main/java/com/fr/design/gui/syntax/ui/rsyntaxtextarea/WrappedSyntaxView.java
Unescape View File

@ -9,15 +9,33 @@
*/ */
package com.fr.design.gui.syntax.ui.rsyntaxtextarea; package com.fr.design.gui.syntax.ui.rsyntaxtextarea;
import java.awt.*;
import javax.swing.text.*;
import javax.swing.text.Position.Bias;
import javax.swing.event.*;
import com.fr.design.gui.syntax.ui.rsyntaxtextarea.TokenUtils.TokenSubList; import com.fr.design.gui.syntax.ui.rsyntaxtextarea.TokenUtils.TokenSubList;
import com.fr.design.gui.syntax.ui.rsyntaxtextarea.folding.Fold; import com.fr.design.gui.syntax.ui.rsyntaxtextarea.folding.Fold;
import com.fr.design.gui.syntax.ui.rsyntaxtextarea.folding.FoldManager; import com.fr.design.gui.syntax.ui.rsyntaxtextarea.folding.FoldManager;
import com.fr.design.gui.syntax.ui.rtextarea.Gutter; import com.fr.design.gui.syntax.ui.rtextarea.Gutter;
import com.fr.stable.CommonUtils;
import javax.swing.event.DocumentEvent;
import javax.swing.text.BadLocationException;
import javax.swing.text.BoxView;
import javax.swing.text.Document;
import javax.swing.text.Element;
import javax.swing.text.LayeredHighlighter;
import javax.swing.text.PlainDocument;
import javax.swing.text.Position;
import javax.swing.text.Position.Bias;
import javax.swing.text.Segment;
import javax.swing.text.TabExpander;
import javax.swing.text.View;
import javax.swing.text.ViewFactory;
import java.awt.Color;
import java.awt.Component;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.Shape;
/** /**
@ -93,7 +111,7 @@ public class WrappedSyntaxView extends BoxView implements TabExpander,
int p = p0; int p = p0;
RSyntaxTextArea textArea = (RSyntaxTextArea)getContainer(); RSyntaxTextArea textArea = (RSyntaxTextArea)getContainer();
float currentWidth = getWidth(); float currentWidth = getWidth();
if (currentWidth==Integer.MAX_VALUE) if (CommonUtils.equals(currentWidth, Integer.MAX_VALUE))
currentWidth = getPreferredSpan(X_AXIS); currentWidth = getPreferredSpan(X_AXIS);
// Make sure width>0; this is a huge hack to fix a bug where // Make sure width>0; this is a huge hack to fix a bug where
// loading text into an RTextArea before it is visible if word wrap // loading text into an RTextArea before it is visible if word wrap
@ -128,7 +146,7 @@ public class WrappedSyntaxView extends BoxView implements TabExpander,
//System.err.println("------ ending calculateBreakPosition() --------"); //System.err.println("------ ending calculateBreakPosition() --------");
// return p; // return p;
return p + 1; return p + 1;
} }
//private int getBreakLocation(Token t, FontMetrics fm, int x0, int x, //private int getBreakLocation(Token t, FontMetrics fm, int x0, int x,
@ -1044,8 +1062,8 @@ return p + 1;
// Code folding may have hidden the last line. If so, return the last // Code folding may have hidden the last line. If so, return the last
// visible offset instead of the last offset. // visible offset instead of the last offset.
if (host.isCodeFoldingEnabled() && v==getView(getViewCount()-1) && if (v != null && host.isCodeFoldingEnabled() && v == getView(getViewCount() - 1) &&
offs==v.getEndOffset()-1) { offs == v.getEndOffset() - 1) {
offs = host.getLastVisibleOffset(); offs = host.getLastVisibleOffset();
} }
@ -1170,7 +1188,7 @@ System.err.println(">>> >>> calculated number of lines for this view (line " + l
switch (axis) { switch (axis) {
case View.X_AXIS: case View.X_AXIS:
float width = getWidth(); float width = getWidth();
if (width == Integer.MAX_VALUE) { if (CommonUtils.equals(width, Integer.MAX_VALUE)) {
// We have been initially set to MAX_VALUE, but we don't // We have been initially set to MAX_VALUE, but we don't
// want this as our preferred. // want this as our preferred.
return 100f; return 100f;
@ -1351,11 +1369,6 @@ System.err.println(">>> >>> calculated number of lines for this view (line " + l
// Start at alloc.x since this chunk starts // Start at alloc.x since this chunk starts
// at the beginning of a physical line. // at the beginning of a physical line.
if (tlist == null) {
p0 = (p == p0) ? p1 : p;
alloc.y += alloc.height;
continue;
}
int n = tlist.getListOffset(textArea, int n = tlist.getListOffset(textArea,
WrappedSyntaxView.this, WrappedSyntaxView.this,
alloc.x, x); alloc.x, x);

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