import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.GraphicsConfiguration;
+import java.awt.GraphicsDevice;
+import java.awt.GraphicsEnvironment;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
+import java.awt.Image;
+import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import javax.swing.BorderFactory;
+import javax.swing.GrayFilter;
+import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JComponent;
import javax.swing.JEditorPane;
import javax.swing.text.html.HTMLDocument;
import javax.swing.text.html.StyleSheet;
+import org.scilab.forge.jlatexmath.TeXConstants;
+import org.scilab.forge.jlatexmath.TeXFormula;
+import org.scilab.forge.jlatexmath.TeXIcon;
import org.scilab.modules.commons.gui.FindIconHelper;
import org.scilab.modules.console.utils.ScilabSpecialTextUtilities;
import org.scilab.modules.graphic_objects.graphicController.GraphicController;
import org.scilab.modules.gui.SwingViewObject;
import org.scilab.modules.gui.SwingViewWidget;
+import org.scilab.modules.gui.bridge.label.SwingScilabLabel.IconLabel.IconType;
import org.scilab.modules.gui.events.callback.CommonCallBack;
import org.scilab.modules.gui.label.SimpleLabel;
import org.scilab.modules.gui.menubar.MenuBar;
*/
public class SwingScilabLabel extends JScrollPane implements SwingViewObject, SimpleLabel {
+ private enum LabelStyle {
+ TEXT, LATEX, MATHML, HTML
+ };
+
private static final long serialVersionUID = 7177323379068859441L;
private Integer uid;
private Border defaultBorder = null;
- private boolean isJLabel = true;
+ private LabelStyle labelStyle = null;
- private String horizontalAlignment = "left"; /* Horizontal alignment property */
+ private String horizontalAlignment = "left"; //Horizontal alignment property
- private String verticalAlignment = "middle"; /* Vertical alignment property */
+ private String verticalAlignment = "middle"; // Vertical alignment property
- private final JPanel alignmentPanel = new JPanel(); /* Used for alignment */
+ private final JPanel alignmentPanel = new JPanel(); // Used for alignment
private final GridBagLayout alignmentLayout = new GridBagLayout();
- private String labelText = ""; /* Used to save user given text */
+ private String labelText = ""; // Used to save user given text
private static HyperlinkListener urlOpener = new HyperlinkListener() {
public void hyperlinkUpdate(HyperlinkEvent event) {
public SwingScilabLabel() {
super();
alignmentPanel.setLayout(alignmentLayout);
- //alignmentPanel.add(label);
- //getViewport().add(label);
setViewportView(label);
setBorder(BorderFactory.createEmptyBorder());
setViewportBorder(BorderFactory.createEmptyBorder());
super.setFont(font);
if (label != null) {
label.setFont(font);
- if (!isJLabel) {
+ if (labelStyle == LabelStyle.HTML) {
StyleSheet styleSheet = ((HTMLDocument) ((JTextPane) label).getDocument()).getStyleSheet();
styleSheet.addRule("body {font-family:" + font.getName() + ";}");
styleSheet.addRule("body {font-size:" + font.getSize() + "pt;}");
}
if (label != null) {
if (label instanceof JLabel) {
- ((JLabel)label).setOpaque(true);
+ ((JLabel) label).setOpaque(true);
}
label.setBackground(color);
}
public void setDims(Size newSize) {
setSize(newSize.getWidth(), newSize.getHeight());
// Need validate to force alignement to be applyed
- setMinimumSize(new Dimension(
- Math.max((int)label.getMinimumSize().getWidth(), newSize.getWidth()),
- (int)label.getMinimumSize().getHeight()));
+ setMinimumSize(new Dimension(Math.max((int) label.getMinimumSize().getWidth(), newSize.getWidth()), (int) label.getMinimumSize().getHeight()));
}
/**
public void setText(String newText) {
// Save the data given by the user so that it can be retrieved
// (Java adds HTML tags in the getlabel().getText() returned value)
+
+ // <math></math> : LateXLabel ( MathML )
+ // <html></html> : JTextPane for clickable links
+ // $...$ : LateXLabel ( LateX )
+ // else : JLabel
+
labelText = newText;
- if (labelText.startsWith("<")) {
- // Try if we are in MathML
- if (isJLabel && ScilabSpecialTextUtilities.setText(label, newText)) {
- // MathML in JLabel : OK
- // Rendering will be done using Icon
- ((JLabel) label).setText(null);
- } else if (!isJLabel) {
- // Try rendering in a new JLabel
- if (ScilabSpecialTextUtilities.setText(new JLabel(), newText)) {
- // MathML in JEditorPane : Change component
- changeLabelType(!isJLabel);
- ScilabSpecialTextUtilities.setText(label, newText);
- // Rendering will be done using Icon
- ((JLabel) label).setText(null);
- } else {
- // HTML in JEditorPane : OK
- ((JEditorPane) label).setText(newText);
- }
+ if (labelText.startsWith("<math>") && labelText.endsWith("</math>")) {
+ boolean mathML = ScilabSpecialTextUtilities.setText(new JLabel(), labelText);
+
+ //if MAthML rendering failed use normal renderer ( JLabel)
+ if (mathML) {
+ changeLabelType(LabelStyle.MATHML);
+ ((IconLabel) label).setText(labelText);
} else {
- // HTML in JLabel :
- changeLabelType(!isJLabel);
- ((JEditorPane) label).setText(newText);
- }
- } else {
- if (!isJLabel) {
- changeLabelType(!isJLabel);
+ changeLabelType(LabelStyle.TEXT);
+ ((JLabel) label).setText(labelText);
}
+ return;
+ }
- if (!ScilabSpecialTextUtilities.setText(label, newText)) {
- // Normal Text
- if (!newText.isEmpty()) {
- ((JLabel) label).setText(newText);
- } else {
- ((JLabel) label).setText(" ");
- }
+ if (labelText.startsWith("<html>") && labelText.endsWith("</html>")) {
+ changeLabelType(LabelStyle.HTML);
+ ((JEditorPane) label).setText(labelText);
+ return;
+ }
+
+ if (labelText.startsWith("$") && labelText.endsWith("$")) {
+ boolean latex = ScilabSpecialTextUtilities.setText(new JLabel(), labelText);
+
+ //if MAthML rendering failed use normal renderer ( JLabel)
+ if (latex) {
+ changeLabelType(LabelStyle.LATEX);
+ ((IconLabel) label).setText(labelText);
} else {
- // Latex or MathML : Rendering will be done using Icon
- ((JLabel) label).setText(null);
+ changeLabelType(LabelStyle.TEXT);
+ ((JLabel) label).setText(labelText);
}
-
- ((JLabel) label).invalidate();
- ((JLabel) label).validate();
- ((JLabel) label).repaint();
+ return;
}
+ changeLabelType(LabelStyle.TEXT);
+ ((JLabel) label).setText(labelText);
+
+ ((JLabel) label).invalidate();
+ ((JLabel) label).validate();
+ ((JLabel) label).repaint();
}
/**
* quicker on simple text JEditorPane can enable HyperLinks
* @param isHtmlLabel
*/
- private void changeLabelType(boolean isJLabel) {
- this.isJLabel = isJLabel;
+ private void changeLabelType(LabelStyle style) {
+
+ if (labelStyle == style) {
+ return;
+ }
+
+ labelStyle = style;
Color bgColor = label.getBackground();
Color fgColor = label.getForeground();
Font font = label.getFont();
Dimension dims = label.getSize();
label.setVisible(false);
- if (!isJLabel) {
- JTextPane newLabel = new JTextPane();
- newLabel.addHyperlinkListener(urlOpener);
- newLabel.setContentType("text/html");
- newLabel.setEditable(false);
- StyleSheet styleSheet = ((HTMLDocument) newLabel.getDocument()).getStyleSheet();
- styleSheet.addRule("body {font-family:" + font.getName() + ";}");
- styleSheet.addRule("body {font-size:" + font.getSize() + "pt;}");
- if (font.isBold()) {
- styleSheet.addRule("body {font-weight:bold;}");
- } else {
- styleSheet.addRule("body {font-weight:normal;}");
+ switch (labelStyle) {
+ case LATEX:
+ alignmentPanel.remove(label);
+ label = new IconLabel(IconType.LATEX);
+ setViewportView(label);
+ break;
+ case MATHML:
+ alignmentPanel.remove(label);
+ label = new IconLabel(IconType.MATHML);
+ setViewportView(label);
+ break;
+ case HTML: {
+ JTextPane newLabel = new JTextPane();
+ newLabel.addHyperlinkListener(urlOpener);
+ newLabel.setContentType("text/html");
+ newLabel.setEditable(false);
+ StyleSheet styleSheet = ((HTMLDocument) newLabel.getDocument()).getStyleSheet();
+ styleSheet.addRule("body {font-family:" + font.getName() + ";}");
+ styleSheet.addRule("body {font-size:" + font.getSize() + "pt;}");
+ if (font.isBold()) {
+ styleSheet.addRule("body {font-weight:bold;}");
+ } else {
+ styleSheet.addRule("body {font-weight:normal;}");
+ }
+ if (font.isItalic()) {
+ styleSheet.addRule("body {font-style:italic;}");
+ } else {
+ styleSheet.addRule("body {font-style:normal;}");
+ }
+
+ label = newLabel;
+ alignmentPanel.add(label);
+ setViewportView(alignmentPanel);
+ break;
}
- if (font.isItalic()) {
- styleSheet.addRule("body {font-style:italic;}");
- } else {
- styleSheet.addRule("body {font-style:normal;}");
+ case TEXT: {
+ alignmentPanel.remove(label);
+ label = new JLabel();
+ setViewportView(label);
+ //refresh icon
+ update(__GO_UI_ICON__, GraphicController.getController().getProperty(getId(), __GO_UI_ICON__));
+ ((JLabel) label).setOpaque(false);
+ break;
}
-
- label = newLabel;
- alignmentPanel.add(label);
- setViewportView(alignmentPanel);
- } else {
- alignmentPanel.remove(label);
- label = new JLabel();
- setViewportView(label);
- //refresh icon
- update(__GO_UI_ICON__, GraphicController.getController().getProperty(getId(), __GO_UI_ICON__));
- setAlignment();
- ((JLabel)label).setOpaque(false);
}
setBackground(bgColor);
label.setFont(font);
label.setSize(dims);
label.setVisible(true);
+ setAlignment();
}
/**
*/
private void setAlignment() {
- if (isJLabel) {
- ((JLabel)label).setVerticalAlignment(ScilabAlignment.toSwingAlignment(verticalAlignment));
- ((JLabel)label).setHorizontalAlignment(ScilabAlignment.toSwingAlignment(horizontalAlignment));
+ if (labelStyle != LabelStyle.HTML) {
+ ((JLabel) label).setVerticalAlignment(ScilabAlignment.toSwingAlignment(verticalAlignment));
+ ((JLabel) label).setHorizontalAlignment(ScilabAlignment.toSwingAlignment(horizontalAlignment));
return;
}
+
GridBagConstraints gbc = new GridBagConstraints();
gbc.gridx = 0;
public void update(int property, Object value) {
switch (property) {
case __GO_UI_ICON__: {
- if (isJLabel) {
+ if (labelStyle == LabelStyle.TEXT) {
String icon = (String) value;
if (icon != null && icon.equals("") == false) {
File file = new File((String) value);
} else {
((JLabel) label).setIcon(null);
}
- } else {
- //Icon in JEditorPane ?
}
break;
}
if (color != null) {
//bypass setBackground
if (label instanceof JLabel) {
- ((JLabel)label).setOpaque(true);
+ ((JLabel) label).setOpaque(true);
}
label.setBackground(color);
}
}
public void resetForeground() {
- Color color = (Color)UIManager.getLookAndFeelDefaults().get("Label.foreground");
+ Color color = (Color) UIManager.getLookAndFeelDefaults().get("Label.foreground");
if (color != null) {
label.setForeground(color);
}
}
+
+ /**
+ * Component to display LaTeX Thank you Calixte
+ */
+ public static class IconLabel extends JLabel {
+ public enum IconType {
+ LATEX, MATHML
+ };
+
+ private static final long serialVersionUID = 3885565301114930030L;
+ private final static Font DEFAULTFONT = new Font("serif", Font.PLAIN, 12);
+ private final static boolean isWindows = System.getProperty("os.name").toLowerCase().indexOf("win") != -1;
+
+ private Icon icon;
+ private Icon iconDisable;
+ private float fontSize;
+ private String text;
+ private Dimension preferred;
+ IconType type = IconType.MATHML;
+
+ public IconLabel(IconType type) {
+ super();
+ fontSize = 12f;
+ icon = null;
+ iconDisable = null;
+ preferred = new Dimension(0, 0);
+ this.type = type;
+ }
+
+ /**
+ * Set the LaTeX content
+ * @param text the LaTeX
+ */
+ public void setText(String text) {
+ this.text = text;
+ update();
+ }
+
+ /**
+ * Get the LaTeX content
+ * @return the LaTeX string
+ */
+ public String getText() {
+ return text;
+ }
+
+ public Dimension getPreferredSize() {
+ return preferred;
+ }
+
+ public Dimension getMinimumSize() {
+ return getPreferredSize();
+ }
+
+ protected void paintComponent(Graphics g) {
+ super.paintComponent(g);
+ if (isOpaque() && getBackground() != null) {
+ final Color old = g.getColor();
+ g.setColor(getBackground());
+ g.fillRect(0, 0, getWidth(), getHeight());
+ g.setColor(old);
+ }
+
+ int h = getHorizontalAlignment();
+ int v = getVerticalAlignment();
+
+ int x = 0;
+ int y = 0;
+
+ if (h == JLabel.CENTER) {
+ x = (getSize().width - icon.getIconWidth()) / 2;
+ } else if (h == JLabel.RIGHT) {
+ x = getSize().width - icon.getIconWidth();
+ }
+
+ if (v == JLabel.CENTER) {
+ y = (getSize().height - icon.getIconHeight()) / 2;
+ } else if (v == JLabel.BOTTOM) {
+ y = getSize().height - icon.getIconHeight();
+ }
+
+ if (type == IconType.LATEX) {
+ TeXIcon latex = (TeXIcon) icon;
+ if (isEnabled()) {
+ latex.setForeground(getForeground());
+ latex.paintIcon(this, g, x, y);
+ } else {
+ if (isWindows && (UIManager.getColor("Label.disabledForeground") instanceof Color) && (UIManager.getColor("Label.disabledShadow") instanceof Color)) {
+ latex.setForeground(UIManager.getColor("Label.disabledShadow"));
+ latex.paintIcon(this, g, x + 1, y + 1);
+ latex.setForeground(UIManager.getColor("Label.disabledForeground"));
+ latex.paintIcon(this, g, x, y);
+ } else {
+ latex.setForeground(getBackground().brighter());
+ latex.paintIcon(this, g, x + 1, y + 1);
+ latex.setForeground(getBackground().darker());
+ latex.paintIcon(this, g, x, y);
+ }
+ }
+ } else { //MathML
+ //enable/disable is made @ icon generation in ScilabSpecialTextUtilities
+ if (isEnabled()) {
+ icon.paintIcon(this, g, x, y);
+ } else {
+ icon.paintIcon(this, g, x + 1, y + 1);
+ iconDisable.paintIcon(this, g, x, y);
+ }
+ }
+ }
+
+ public void setFont(Font f) {
+ this.fontSize = f.getSize2D();
+ update();
+ }
+
+ public Font getFont() {
+ return DEFAULTFONT;
+ }
+
+ /**
+ * Update the component
+ */
+ private void update() {
+ if (text.equals("") == false) {
+ if (type == IconType.LATEX) {
+ icon = ScilabSpecialTextUtilities.compileLaTeXExpression(text, (int) fontSize);
+ } else {
+ if (isEnabled()) {
+ icon = ScilabSpecialTextUtilities.compileMathMLExpression(text, (int) fontSize);
+ } else {
+ if (isWindows && (UIManager.getColor("Label.disabledForeground") instanceof Color) && (UIManager.getColor("Label.disabledShadow") instanceof Color)) {
+ icon = ScilabSpecialTextUtilities.compileMathMLExpression(text, (int) fontSize, UIManager.getColor("Label.disabledShadow"));
+ iconDisable = ScilabSpecialTextUtilities.compileMathMLExpression(text, (int) fontSize, UIManager.getColor("Label.disabledForeground"));
+ } else {
+ icon = ScilabSpecialTextUtilities.compileMathMLExpression(text, (int) fontSize, getBackground().brighter());
+ iconDisable = ScilabSpecialTextUtilities.compileMathMLExpression(text, (int) fontSize, getBackground().darker());
+ }
+ }
+ }
+ preferred = new Dimension(icon.getIconWidth(), icon.getIconHeight());
+ revalidate();
+ }
+ }
+
+ public void setEnabled(boolean enabled) {
+ super.setEnabled(enabled);
+ update();
+ }
+ }
}
projects / scilab.git / commitdiff