--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.scenegraph.swing;\r
+\r
+import java.awt.Color;\r
+import java.awt.Font;\r
+import java.awt.FontMetrics;\r
+import java.awt.Graphics2D;\r
+import java.awt.Point;\r
+import java.awt.event.ActionEvent;\r
+import java.awt.event.ActionListener;\r
+import java.awt.event.FocusEvent;\r
+import java.awt.event.FocusListener;\r
+import java.awt.event.KeyEvent;\r
+import java.awt.event.KeyListener;\r
+import java.awt.event.MouseEvent;\r
+import java.awt.geom.Point2D;\r
+import java.awt.geom.Rectangle2D;\r
+import java.beans.PropertyChangeEvent;\r
+import java.beans.PropertyChangeListener;\r
+\r
+import javax.swing.JTextField;\r
+import javax.swing.border.Border;\r
+import javax.swing.border.CompoundBorder;\r
+import javax.swing.border.EmptyBorder;\r
+import javax.swing.border.LineBorder;\r
+\r
+import org.simantics.scenegraph.ExportableWidget.InputWidget;\r
+import org.simantics.scenegraph.ExportableWidget.OutputWidget;\r
+import org.simantics.scenegraph.utils.DummyComponent;\r
+\r
+@OutputWidget("value")\r
+@InputWidget("value")\r
+public class MonitorNode extends ComponentNode<JTextField> implements ActionListener, FocusListener, PropertyChangeListener, KeyListener {\r
+ /**\r
+ * \r
+ */\r
+ private static final long serialVersionUID = 7073028693751719102L;\r
+\r
+ protected boolean editable = true;\r
+ protected String value = "";\r
+ protected String tooltip = "";\r
+ protected double borderWidth = 0;\r
+\r
+ protected transient ActionListener actionListener = null;\r
+\r
+ private boolean doResize = false;\r
+\r
+ protected Font font = null;\r
+ protected Color color = null;\r
+ protected int halign = JTextField.LEFT; // See JTextField for value options\r
+\r
+ static class TextField extends JTextField {\r
+ private static final int X_INSET = 5;\r
+ private static final int Y_INSET = -1;\r
+ private static final long serialVersionUID = -668522226693100386L;\r
+ private Border lineBorder;\r
+ private final MonitorNode node;\r
+\r
+ public TextField(double borderWidth, MonitorNode node) {\r
+ if(borderWidth < 0.1) {\r
+ lineBorder = new EmptyBorder(Y_INSET, X_INSET, Y_INSET, X_INSET);\r
+ } else {\r
+ lineBorder = new CompoundBorder(LineBorder.createGrayLineBorder(), new EmptyBorder(Y_INSET, X_INSET, Y_INSET, X_INSET));\r
+ }\r
+ this.node = node;\r
+ setHorizontalAlignment(JTextField.CENTER);\r
+ setAlignmentY(JTextField.CENTER_ALIGNMENT);\r
+ }\r
+\r
+ // workaround for 4530952\r
+ @Override\r
+ public void setText(String s) {\r
+ if (getText().equals(s)) {\r
+ return;\r
+ }\r
+ super.setText(s);\r
+\r
+ }\r
+\r
+ @Override\r
+ public void setBorder(Border border) {\r
+ super.setBorder(lineBorder);\r
+ }\r
+\r
+ public void setBorder(double borderWidth) {\r
+ if(borderWidth < 0.1) {\r
+ lineBorder = new EmptyBorder(Y_INSET, X_INSET, Y_INSET, X_INSET);\r
+ } else {\r
+ lineBorder = new CompoundBorder(LineBorder.createGrayLineBorder(), new EmptyBorder(Y_INSET, X_INSET, Y_INSET, X_INSET));\r
+ }\r
+\r
+ super.setBorder(lineBorder);\r
+ }\r
+\r
+ @Override\r
+ public Point getToolTipLocation(MouseEvent event) {\r
+ Point2D p2d = node.localToControl(event.getPoint());\r
+ Point p = new Point((int)p2d.getX(),-20+(int)p2d.getY());\r
+ return p;\r
+ }\r
+ }\r
+\r
+ @Override\r
+ public String toString() {\r
+ return super.toString() + "[editable=" + editable + ", value=" + value + "]";\r
+ }\r
+\r
+ private void markResize() {\r
+ //System.out.println("MonitorNode.markResize()");\r
+ doResize = true;\r
+ }\r
+\r
+ @Override\r
+ public void init() {\r
+ component = new TextField(borderWidth,this);\r
+ component.setEditable(editable);\r
+ component.setEnabled(editable);\r
+ component.addActionListener(this);\r
+ component.addFocusListener(this);\r
+ component.addKeyListener(this);\r
+ super.init();\r
+ }\r
+\r
+ @SyncField("editable")\r
+ public void setEditable(boolean value) {\r
+ this.editable = value;\r
+\r
+ if(component != null) {\r
+ component.setEditable(value);\r
+ component.setEnabled(value);\r
+ }\r
+ }\r
+\r
+ @PropertySetter("Stroke Width")\r
+ @SyncField("borderWidth")\r
+ public void setBorderWidth(Float borderWidth) {\r
+ this.borderWidth = borderWidth;\r
+ if(component != null) {\r
+ ((TextField)component).setBorder(borderWidth);\r
+ }\r
+ }\r
+\r
+ @SyncField("value")\r
+ public void setText(String value) {\r
+ this.value = value;\r
+ // RemoteViewer does not have component initialized\r
+ if (component != null) {\r
+ //System.out.println("MonitorNode.setText(" + value + ")");\r
+ component.setText(value);\r
+ markResize();\r
+ component.repaint();\r
+ }\r
+ }\r
+\r
+ @SyncField("tooltip")\r
+ public void setToolTipText(String tooltip) {\r
+ this.tooltip = tooltip;\r
+ if (component != null) {\r
+ component.setToolTipText(tooltip);\r
+ }\r
+ }\r
+\r
+\r
+ @PropertySetter("Font")\r
+ @SyncField("font")\r
+ public void setFont(Font font) {\r
+ this.font = font;\r
+ if (component != null) {\r
+ setComponentFont(font);\r
+ markResize();\r
+ }\r
+ }\r
+\r
+ @PropertySetter("Color")\r
+ @SyncField("color")\r
+ public void setColor(Color color) {\r
+ this.color = color;\r
+ if (component != null) {\r
+ component.setForeground(color);\r
+ markResize();\r
+ }\r
+ }\r
+\r
+ @SyncField("halign")\r
+ public void setHorizontalAlign(int halign) {\r
+ this.halign = halign;\r
+ }\r
+\r
+ @Override\r
+ public void render(Graphics2D g2d) {\r
+ if (doResize)\r
+ recalculateSize(g2d);\r
+ doResize = false;\r
+ if (component != null) {\r
+ synchronized (component) {\r
+ if (component.getHorizontalAlignment() != halign)\r
+ component.setHorizontalAlignment(halign);\r
+ super.render(g2d);\r
+ }\r
+ }\r
+ }\r
+\r
+ private void recalculateSize(Graphics2D g2d) {\r
+ //System.out.println("MonitorNode.recalculateSize(" + value + ")");\r
+ if (component == null || value == null)\r
+ return;\r
+\r
+ Font font = getComponentFont();\r
+ if (font != null) {\r
+ String measuredValue = value;\r
+ //String measuredValue = value + "x";\r
+ // If bounds are NOT set, calculate size..\r
+ if (bounds == null) {\r
+ FontMetrics metrics = component.getFontMetrics(font);\r
+ Rectangle2D size = metrics.getStringBounds(measuredValue, g2d);\r
+ int xPadding = 15;\r
+ int yPadding = 2;\r
+// setSize(xPadding + (int) Math.ceil(size.getWidth()), yPadding + (int) Math.ceil(size.getHeight()));\r
+ setBounds(new Rectangle2D.Double(0, 0, xPadding + (int) Math.ceil(size.getWidth()), yPadding + (int) Math.ceil(size.getHeight())));\r
+ //component.setScrollOffset(0);\r
+ } else {\r
+ // ... If bounds are set, change font size to get the text fit\r
+ // into the bounds. Find the best fit through bisection.\r
+\r
+ // min is assumed to fit within the bounds. It will not be searched\r
+ float min = 6;\r
+\r
+ // First find an upper bound that no longer fits within the bounds.\r
+ // First guess is 62.\r
+ float max = 62;\r
+ final float upperLimit = 200;\r
+ while (max < upperLimit) {\r
+ font = font.deriveFont(max);\r
+ FontMetrics metrics = component.getFontMetrics(font);\r
+ Rectangle2D fbounds = metrics.getStringBounds(measuredValue, g2d);\r
+ if (!fits(bounds, fbounds))\r
+ break;\r
+ max += 20;\r
+ }\r
+ if (max < upperLimit) {\r
+ // Bisect the largest font size in [min,max] that fits the bounds.\r
+ while (true) {\r
+ float half = (max + min) / 2;\r
+ float interval = max - min;\r
+ font = font.deriveFont(half);\r
+ FontMetrics metrics = component.getFontMetrics(font);\r
+ Rectangle2D fbounds = metrics.getStringBounds(measuredValue, g2d);\r
+ if (fits(bounds, fbounds)) {\r
+ // Fits within bounds, bisect [half, max]\r
+ if (interval <= 1) {\r
+ break;\r
+ }\r
+ min = half;\r
+ } else {\r
+ // Does not fit within bounds, bisect [min, half]\r
+ if (interval <= 1) {\r
+ font = font.deriveFont(min);\r
+ break;\r
+ }\r
+ max = half;\r
+ }\r
+ }\r
+ }\r
+\r
+ setComponentFont(font);\r
+// setSize((int)bounds.getWidth(), (int)bounds.getHeight());\r
+ }\r
+ }\r
+ }\r
+\r
+ private boolean fits(Rectangle2D parent, Rectangle2D child) {\r
+ return parent.getWidth() >= child.getWidth() && parent.getHeight() >= child.getHeight();\r
+ }\r
+\r
+ public String getText() {\r
+ return value;\r
+ }\r
+\r
+ public Font getFont() {\r
+ return font;\r
+ }\r
+\r
+ @Override\r
+ public void propertyChange(PropertyChangeEvent evt) {\r
+ if("value".equals(evt.getPropertyName()) && component != null) {\r
+ synchronized(component) {\r
+ component.setText((String)evt.getNewValue());\r
+ markResize();\r
+ component.repaint();\r
+ }\r
+ } else if("editable".equals(evt.getPropertyName()) && component != null) {\r
+ synchronized(component) {\r
+ component.setEditable((Boolean)evt.getNewValue());\r
+ component.setEnabled((Boolean)evt.getNewValue());\r
+ }\r
+ }\r
+ }\r
+\r
+\r
+ public void setActionListener(ActionListener actionListener) {\r
+ this.actionListener = actionListener;\r
+ }\r
+\r
+ @Override\r
+ public void actionPerformed(ActionEvent e) {\r
+// performAction(e);\r
+ loseFocus();\r
+ }\r
+\r
+ void loseFocus() {\r
+ if (component != null)\r
+ if (component.isFocusOwner())\r
+ if (container.getParent() != null)\r
+ container.getParent().requestFocusInWindow(); // Lose focus\r
+ }\r
+\r
+ @Override\r
+ public void focusGained(FocusEvent arg0) {\r
+ if (component != null) {\r
+ component.selectAll();\r
+ }\r
+ }\r
+\r
+ @Override\r
+ public void focusLost(FocusEvent arg0) {\r
+ if (component != null) {\r
+ ActionEvent e = new ActionEvent(component, ActionEvent.ACTION_PERFORMED, component.getText());\r
+ performAction(e);\r
+ }\r
+ }\r
+\r
+ /**\r
+ * Wrapper method to send event to serverside\r
+ * \r
+ * @param e\r
+ */\r
+ @ServerSide\r
+ public void performAction(ActionEvent e) {\r
+ if (actionListener != null) {\r
+ //System.out.println("MonitorNode.performAction(" + e + ")");\r
+ actionListener.actionPerformed(e);\r
+ }\r
+ }\r
+\r
+ @Override\r
+ public void keyPressed(KeyEvent e) {\r
+ }\r
+\r
+ @Override\r
+ public void keyTyped(KeyEvent e) {\r
+ }\r
+\r
+ @Override\r
+ public void keyReleased(KeyEvent e) {\r
+ if (e.getModifiers() == 0 && e.getKeyCode() == KeyEvent.VK_ESCAPE) {\r
+ // ESC without modifiers == CANCEL edit\r
+ // TODO: signal about cancellation\r
+ loseFocus();\r
+ }\r
+ }\r
+ \r
+ public String widgetGet(String name) {\r
+ if("value".equals(name)) {\r
+ return ""+value;\r
+ }\r
+ return null;\r
+ }\r
+ \r
+ public void widgetSet(String name, String value) {\r
+ if("value".equals(name)) {\r
+ ActionEvent e = new ActionEvent(new DummyComponent(), ActionEvent.ACTION_PERFORMED, value);\r
+ performAction(e);\r
+ }\r
+ }\r
+}\r
Code Review / simantics / platform.git / blobdiff