Java Code Examples for javax.swing.text.StyledDocument#getStyle()

/**
 * Update the font in the default style of the document.
 *
 * @param font the new font to use or null to remove the font attribute
 *             from the document's style
 */
private void updateFont(Font font) {
    StyledDocument doc = (StyledDocument)getComponent().getDocument();
    Style style = doc.getStyle(StyleContext.DEFAULT_STYLE);

    if (style == null) {
        return;
    }

    if (font == null) {
        style.removeAttribute(StyleConstants.FontFamily);
        style.removeAttribute(StyleConstants.FontSize);
        style.removeAttribute(StyleConstants.Bold);
        style.removeAttribute(StyleConstants.Italic);
    } else {
        StyleConstants.setFontFamily(style, font.getName());
        StyleConstants.setFontSize(style, font.getSize());
        StyleConstants.setBold(style, font.isBold());
        StyleConstants.setItalic(style, font.isItalic());
    }
}
 

@Override
public void insertString(StyledDocument sd, Style style) throws BadLocationException {
    if(style == null) {
        style = authorStyle;
    }
    sd.insertString(sd.getLength(), author, style);

    String iconStyleName = AUTHOR_ICON_STYLE + author;
    Style iconStyle = sd.getStyle(iconStyleName);
    if(iconStyle == null) {
        iconStyle = sd.addStyle(iconStyleName, null);
        StyleConstants.setIcon(iconStyle, kenaiUser.getIcon());
    }
    sd.insertString(sd.getLength(), " ", style);
    sd.insertString(sd.getLength(), " ", iconStyle);
}
 

/**
 * Format elements in a MediaWikiPane highlighting non wiki text.
 * 
 * @param doc Document to be formatted.
 * @param analysis Page analysis.
 */
private void formatWikiText(
    StyledDocument doc,
    PageAnalysis analysis) {
  if ((doc == null) || (analysis == null)) {
    return;
  }
  Style style = doc.getStyle(ConfigurationValueStyle.COMMENTS.getName());
  List<Area> areas = analysis.getAreas().getAreas();
  if (areas != null) {
    for (Area area : areas) {
      int beginIndex = area.getBeginIndex();
      int endIndex = area.getEndIndex();
      doc.setCharacterAttributes(
          beginIndex, endIndex - beginIndex,
          style, true);
    }
  }
}
 

public static void setStyle(JTextPane textPane, int start, int length,
                            String name)
{
    StyledDocument doc = textPane.getStyledDocument();
    Style style;
    if (name == null)
    {
        StyleContext context = StyleContext.getDefaultStyleContext();
        style = context.getStyle(StyleContext.DEFAULT_STYLE);
    }
    else
        style = doc.getStyle(name);
    doc.setCharacterAttributes(start, length, style, true);
}
 

/**
 * Update the color in the default style of the document.
 *
 * @param color the new color to use or null to remove the color attribute
 *              from the document's style
 */
private void updateForeground(Color color) {
    StyledDocument doc = (StyledDocument)getComponent().getDocument();
    Style style = doc.getStyle(StyleContext.DEFAULT_STYLE);

    if (style == null) {
        return;
    }

    if (color == null) {
        style.removeAttribute(StyleConstants.Foreground);
    } else {
        StyleConstants.setForeground(style, color);
    }
}
 

/**
 * @param doc Document.
 * @param analysis Page analysis.
 * @param link Link.
 * @return Style depending on the status of the link.
 */
private Style getInternalLinkStyle(
    StyledDocument doc,
    PageAnalysis analysis,
    PageElementInternalLink link) {
  Style style = null;

  if ((analysis != null) &&
      (analysis.getPage() != null) &&
      (analysis.getPage().getLinks() != null)) {

    // Find link target
    Page target = null;
    for (Page tmpPage : analysis.getPage().getLinks()) {
      if (Page.areSameTitle(tmpPage.getTitle(), link.getLink())) {
        target = tmpPage;
      }
    }

    // Specific styles
    if (target != null) {
      if (target.getRedirects().isRedirect()) {
        style = doc.getStyle(ConfigurationValueStyle.INTERNAL_LINK_DEFAULT_REDIRECT.getName());
      } else if (Boolean.FALSE.equals(target.isExisting())) {
        style = doc.getStyle(ConfigurationValueStyle.INTERNAL_LINK_DEFAULT_MISSING.getName());
      }
    }
  }

  // Apply default style for internal links
  if (style == null) {
    style = doc.getStyle(ConfigurationValueStyle.INTERNAL_LINK.getName());
  }

  return style;
}
 

private MainPanel() {
  super(new BorderLayout(5, 5));
  JButton ok = new JButton("Test");
  ok.addActionListener(e -> append("Test test test test", true));

  JButton err = new JButton("Error");
  err.addActionListener(e -> append("Error error error error", false));

  JButton clr = new JButton("Clear");
  clr.addActionListener(e -> jtp.setText(""));

  Box box = Box.createHorizontalBox();
  box.add(Box.createHorizontalGlue());
  box.add(ok);
  box.add(err);
  box.add(Box.createHorizontalStrut(5));
  box.add(clr);

  jtp.setEditable(false);
  StyledDocument doc = jtp.getStyledDocument();
  // Style def = StyleContext.getDefaultStyleContext().getStyle(StyleContext.DEFAULT_STYLE);
  Style def = doc.getStyle(StyleContext.DEFAULT_STYLE);

  // Style regular = doc.addStyle("regular", def);
  // StyleConstants.setForeground(def, Color.BLACK);

  Style error = doc.addStyle("error", def);
  StyleConstants.setForeground(error, Color.RED);

  JScrollPane scroll = new JScrollPane(jtp);
  scroll.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
  scroll.getVerticalScrollBar().setUnitIncrement(25);

  add(scroll);
  add(box, BorderLayout.SOUTH);
  setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
  setPreferredSize(new Dimension(320, 240));
}
 

@Override
protected void refreshInstructions(FunctionEditor source, boolean editing, int selectedColumn) {
  StyledDocument doc = instructions.getStyledDocument();
  Style style = doc.getStyle("blue");                                                //$NON-NLS-1$
  String s = TrackerRes.getString("ParticleDataTrackFunctionPanel.Instructions.General"); //$NON-NLS-1$
  if(!editing && hasInvalidExpressions()) {                            // error condition
    s = ToolsRes.getString("FunctionPanel.Instructions.BadCell");           //$NON-NLS-1$
    style = doc.getStyle("red");                                            //$NON-NLS-1$
  }
  instructions.setText(s);
  int len = instructions.getText().length();
  doc.setCharacterAttributes(0, len, style, false);
  revalidate();
}
 

/**
 * Refreshes the instructions based on selected cell.
 *
 * @param source the function editor (may be null)
 * @param editing true if the table is editing
 * @param selectedColumn the selected table column, or -1 if none
 */
protected void refreshInstructions(FunctionEditor source, boolean editing, int selectedColumn) {
  StyledDocument doc = instructions.getStyledDocument();
  Style style = doc.getStyle("blue");                                                //$NON-NLS-1$
  String s = isEmpty() ? ToolsRes.getString("FunctionPanel.Instructions.GetStarted") //$NON-NLS-1$
                       : ToolsRes.getString("FunctionPanel.Instructions.General")   //$NON-NLS-1$
                         +"  "+ToolsRes.getString("FunctionPanel.Instructions.EditDescription"); //$NON-NLS-1$ //$NON-NLS-2$
  if(!editing&&hasCircularErrors()) {                                       // error condition
    s = ToolsRes.getString("FunctionPanel.Instructions.CircularErrors");    //$NON-NLS-1$
    style = doc.getStyle("red");                                            //$NON-NLS-1$
  } else if(!editing&&hasInvalidExpressions()) {                            // error condition
    s = ToolsRes.getString("FunctionPanel.Instructions.BadCell");           //$NON-NLS-1$
    style = doc.getStyle("red");                                            //$NON-NLS-1$
  } else if(source!=null) {
    if((selectedColumn==0)&&editing) {                                      // editing name
      s = ToolsRes.getString("FunctionPanel.Instructions.NameCell");        //$NON-NLS-1$
    } else if((selectedColumn==1)&&editing) {                               // editing expression
      s = source.getVariablesString(": "); //$NON-NLS-1$
    } else if(selectedColumn>-1) {
      s = ToolsRes.getString("FunctionPanel.Instructions.EditCell");        //$NON-NLS-1$
      if(selectedColumn==0) {
        s += "  "+ToolsRes.getString("FunctionPanel.Instructions.NameCell"); //$NON-NLS-1$//$NON-NLS-2$
        s += "\n"+ToolsRes.getString("FunctionPanel.Instructions.EditDescription"); //$NON-NLS-1$//$NON-NLS-2$
      } else {
        s += " "+ToolsRes.getString("FunctionPanel.Instructions.Help");     //$NON-NLS-1$//$NON-NLS-2$
      }
    }
  }
  instructions.setText(s);
  int len = instructions.getText().length();
  doc.setCharacterAttributes(0, len, style, false);
  revalidate();
}
 

public Component getTableCellEditorComponent(JTable atable, Object value, boolean isSelected, int row, int column) {
  table.rowToSelect = row;
  table.columnToSelect = column;
  if (usePopupEditor) {
  	undoEditsEnabled = false;
  	JDialog popup = getPopupEditor();
    if (functionPanel.functionTool!=null) {
    	// set font level of popup editor
   	int level = functionPanel.functionTool.getFontLevel();
   	FontSizer.setFonts(popup, level);
    }      	
    dragLabel.setText(ToolsRes.getString("FunctionEditor.DragLabel.Text")); //$NON-NLS-1$

   prevObject = objects.get(row);
   if (prevObject!=null) {
   	prevName = getName(prevObject);
   	prevExpression = getExpression(prevObject);
   }

    String val = value.toString();
    if (prevObject!=null && column>0) {
    	if (val.endsWith(DEGREES)) {
    		val = val.substring(0, val.length()-1);
    	}
    	else {
    		val = prevExpression;
    	}
    }
    
    popupField.setText(val);
   popupField.requestFocusInWindow();
	try {
	String s = popupField.getText();
	setInitialValue(s);
} catch (NumberFormatException ex) {
}

   popupField.selectAll();
   popupField.setBackground(Color.WHITE);
   if (column==1) {
    variablesPane.setText(getVariablesString(":\n")); //$NON-NLS-1$
     StyledDocument doc = variablesPane.getStyledDocument();
     Style blue = doc.getStyle("blue"); //$NON-NLS-1$
     doc.setCharacterAttributes(0, variablesPane.getText().length(), blue, false);
     popup.getContentPane().add(variablesPane, BorderLayout.CENTER);
   }
   else {
     popup.getContentPane().remove(variablesPane);
   }
   Rectangle cell = table.getCellRect(row, column, true);
   minPopupWidth = cell.width+2;
   Dimension dim = resizePopupEditor();
   Point p = table.getLocationOnScreen();
   popup.setLocation(p.x+cell.x+cell.width/2-dim.width/2, 
   		p.y+cell.y+cell.height/2-dim.height/2);
   popup.setVisible(true);
  }
  else {
  	field.setText(value.toString());
    functionPanel.refreshInstructions(FunctionEditor.this, true, column);
    functionPanel.tableEditorField = field;
  }
  return panel;
}