diff options
Diffstat (limited to 'libjava/classpath/javax/swing/text/JTextComponent.java')
| -rw-r--r-- | libjava/classpath/javax/swing/text/JTextComponent.java | 278 |
1 files changed, 215 insertions, 63 deletions
diff --git a/libjava/classpath/javax/swing/text/JTextComponent.java b/libjava/classpath/javax/swing/text/JTextComponent.java index 6da84bfe7d8..68ba1f4284c 100644 --- a/libjava/classpath/javax/swing/text/JTextComponent.java +++ b/libjava/classpath/javax/swing/text/JTextComponent.java @@ -38,8 +38,6 @@ exception statement from your version. */ package javax.swing.text; -import gnu.classpath.NotImplementedException; - import java.awt.AWTEvent; import java.awt.Color; import java.awt.Container; @@ -47,6 +45,7 @@ import java.awt.Dimension; import java.awt.Insets; import java.awt.Point; import java.awt.Rectangle; +import java.awt.Shape; import java.awt.datatransfer.Clipboard; import java.awt.datatransfer.DataFlavor; import java.awt.datatransfer.StringSelection; @@ -59,6 +58,7 @@ import java.awt.event.MouseEvent; import java.io.IOException; import java.io.Reader; import java.io.Writer; +import java.text.BreakIterator; import java.util.Enumeration; import java.util.Hashtable; @@ -67,6 +67,7 @@ import javax.accessibility.AccessibleAction; import javax.accessibility.AccessibleContext; import javax.accessibility.AccessibleEditableText; import javax.accessibility.AccessibleRole; +import javax.accessibility.AccessibleState; import javax.accessibility.AccessibleStateSet; import javax.accessibility.AccessibleText; import javax.swing.Action; @@ -105,12 +106,7 @@ public abstract class JTextComponent extends JComponent /** * The caret's offset. */ - int dot = 0; - - /** - * The current JTextComponent. - */ - JTextComponent textComp = JTextComponent.this; + private int caretDot; /** * Construct an AccessibleJTextComponent. @@ -118,7 +114,8 @@ public abstract class JTextComponent extends JComponent public AccessibleJTextComponent() { super(); - textComp.addCaretListener(this); + JTextComponent.this.addCaretListener(this); + caretDot = getCaretPosition(); } /** @@ -129,8 +126,7 @@ public abstract class JTextComponent extends JComponent */ public int getCaretPosition() { - dot = textComp.getCaretPosition(); - return dot; + return JTextComponent.this.getCaretPosition(); } /** @@ -141,7 +137,7 @@ public abstract class JTextComponent extends JComponent */ public String getSelectedText() { - return textComp.getSelectedText(); + return JTextComponent.this.getSelectedText(); } /** @@ -156,9 +152,10 @@ public abstract class JTextComponent extends JComponent */ public int getSelectionStart() { - if (getSelectedText() == null || (textComp.getText().equals(""))) + if (getSelectedText() == null + || (JTextComponent.this.getText().equals(""))) return 0; - return textComp.getSelectionStart(); + return JTextComponent.this.getSelectionStart(); } /** @@ -173,9 +170,7 @@ public abstract class JTextComponent extends JComponent */ public int getSelectionEnd() { - if (getSelectedText() == null || (textComp.getText().equals(""))) - return 0; - return textComp.getSelectionEnd(); + return JTextComponent.this.getSelectionEnd(); } /** @@ -185,10 +180,20 @@ public abstract class JTextComponent extends JComponent * @param e - the caret update event */ public void caretUpdate(CaretEvent e) - throws NotImplementedException { - // TODO: fire appropriate event. - dot = e.getDot(); + int dot = e.getDot(); + int mark = e.getMark(); + if (caretDot != dot) + { + firePropertyChange(ACCESSIBLE_CARET_PROPERTY, new Integer(caretDot), + new Integer(dot)); + caretDot = dot; + } + if (mark != dot) + { + firePropertyChange(ACCESSIBLE_SELECTION_PROPERTY, null, + getSelectedText()); + } } /** @@ -197,10 +202,10 @@ public abstract class JTextComponent extends JComponent * @return the accessible state set of this component */ public AccessibleStateSet getAccessibleStateSet() - throws NotImplementedException { AccessibleStateSet state = super.getAccessibleStateSet(); - // TODO: Figure out what state must be added here to the super's state. + if (isEditable()) + state.add(AccessibleState.EDITABLE); return state; } @@ -248,9 +253,9 @@ public abstract class JTextComponent extends JComponent * @param e - the insertion event */ public void insertUpdate(DocumentEvent e) - throws NotImplementedException { - // TODO + firePropertyChange(ACCESSIBLE_TEXT_PROPERTY, null, + new Integer(e.getOffset())); } /** @@ -261,9 +266,9 @@ public abstract class JTextComponent extends JComponent * @param e - the removal event */ public void removeUpdate(DocumentEvent e) - throws NotImplementedException { - // TODO + firePropertyChange(ACCESSIBLE_TEXT_PROPERTY, null, + new Integer(e.getOffset())); } /** @@ -274,9 +279,9 @@ public abstract class JTextComponent extends JComponent * @param e - text change event */ public void changedUpdate(DocumentEvent e) - throws NotImplementedException { - // TODO + firePropertyChange(ACCESSIBLE_TEXT_PROPERTY, null, + new Integer(e.getOffset())); } /** @@ -289,9 +294,8 @@ public abstract class JTextComponent extends JComponent * @return a character index, or -1 */ public int getIndexAtPoint(Point p) - throws NotImplementedException { - return 0; // TODO + return viewToModel(p); } /** @@ -305,9 +309,51 @@ public abstract class JTextComponent extends JComponent * @return a character's bounding box, or null */ public Rectangle getCharacterBounds(int index) - throws NotImplementedException { - return null; // TODO + // This is basically the same as BasicTextUI.modelToView(). + + Rectangle bounds = null; + if (index >= 0 && index < doc.getLength() - 1) + { + if (doc instanceof AbstractDocument) + ((AbstractDocument) doc).readLock(); + try + { + TextUI ui = getUI(); + if (ui != null) + { + // Get editor rectangle. + Rectangle rect = new Rectangle(); + Insets insets = getInsets(); + rect.x = insets.left; + rect.y = insets.top; + rect.width = getWidth() - insets.left - insets.right; + rect.height = getHeight() - insets.top - insets.bottom; + View rootView = ui.getRootView(JTextComponent.this); + if (rootView != null) + { + rootView.setSize(rect.width, rect.height); + Shape s = rootView.modelToView(index, + Position.Bias.Forward, + index + 1, + Position.Bias.Backward, + rect); + if (s != null) + bounds = s.getBounds(); + } + } + } + catch (BadLocationException ex) + { + // Ignore (return null). + } + finally + { + if (doc instanceof AbstractDocument) + ((AbstractDocument) doc).readUnlock(); + } + } + return bounds; } /** @@ -317,7 +363,7 @@ public abstract class JTextComponent extends JComponent */ public int getCharCount() { - return textComp.getText().length(); + return JTextComponent.this.getText().length(); } /** @@ -329,9 +375,26 @@ public abstract class JTextComponent extends JComponent * @return the character's attributes */ public AttributeSet getCharacterAttribute(int index) - throws NotImplementedException { - return null; // TODO + AttributeSet atts; + if (doc instanceof AbstractDocument) + ((AbstractDocument) doc).readLock(); + try + { + Element el = doc.getDefaultRootElement(); + while (! el.isLeaf()) + { + int i = el.getElementIndex(index); + el = el.getElement(i); + } + atts = el.getAttributes(); + } + finally + { + if (doc instanceof AbstractDocument) + ((AbstractDocument) doc).readUnlock(); + } + return atts; } /** @@ -344,9 +407,8 @@ public abstract class JTextComponent extends JComponent * @return the part of text at that index, or null */ public String getAtIndex(int part, int index) - throws NotImplementedException { - return null; // TODO + return getAtIndexImpl(part, index, 0); } /** @@ -359,9 +421,8 @@ public abstract class JTextComponent extends JComponent * @return the part of text after that index, or null */ public String getAfterIndex(int part, int index) - throws NotImplementedException { - return null; // TODO + return getAtIndexImpl(part, index, 1); } /** @@ -374,11 +435,84 @@ public abstract class JTextComponent extends JComponent * @return the part of text before that index, or null */ public String getBeforeIndex(int part, int index) - throws NotImplementedException { - return null; // TODO + return getAtIndexImpl(part, index, -1); } - + + /** + * Implements getAtIndex(), getBeforeIndex() and getAfterIndex(). + * + * @param part the part to return, either CHARACTER, WORD or SENTENCE + * @param index the index + * @param dir the direction, -1 for backwards, 0 for here, +1 for forwards + * + * @return the resulting string + */ + private String getAtIndexImpl(int part, int index, int dir) + { + String ret = null; + if (doc instanceof AbstractDocument) + ((AbstractDocument) doc).readLock(); + try + { + BreakIterator iter = null; + switch (part) + { + case CHARACTER: + iter = BreakIterator.getCharacterInstance(getLocale()); + break; + case WORD: + iter = BreakIterator.getWordInstance(getLocale()); + break; + case SENTENCE: + iter = BreakIterator.getSentenceInstance(getLocale()); + break; + default: + break; + } + String text = doc.getText(0, doc.getLength() - 1); + iter.setText(text); + int start = index; + int end = index; + switch (dir) + { + case 0: + if (iter.isBoundary(index)) + { + start = index; + end = iter.following(index); + } + else + { + start = iter.preceding(index); + end = iter.next(); + } + break; + case 1: + start = iter.following(index); + end = iter.next(); + break; + case -1: + end = iter.preceding(index); + start = iter.previous(); + break; + default: + assert false; + } + ret = text.substring(start, end); + } + catch (BadLocationException ex) + { + // Ignore (return null). + } + finally + { + if (doc instanceof AbstractDocument) + ((AbstractDocument) doc).readUnlock(); + } + return ret; + } + /** * Returns the number of actions for this object. The zero-th * object represents the default action. @@ -386,9 +520,8 @@ public abstract class JTextComponent extends JComponent * @return the number of actions (0-based). */ public int getAccessibleActionCount() - throws NotImplementedException { - return 0; // TODO + return getActions().length; } /** @@ -400,10 +533,12 @@ public abstract class JTextComponent extends JComponent * @return description of the i-th action */ public String getAccessibleActionDescription(int i) - throws NotImplementedException { - // TODO: Not implemented fully - return super.getAccessibleDescription(); + String desc = null; + Action[] actions = getActions(); + if (i >= 0 && i < actions.length) + desc = (String) actions[i].getValue(Action.NAME); + return desc; } /** @@ -415,9 +550,17 @@ public abstract class JTextComponent extends JComponent * @return true if the action was performed successfully */ public boolean doAccessibleAction(int i) - throws NotImplementedException { - return false; // TODO + boolean ret = false; + Action[] actions = getActions(); + if (i >= 0 && i < actions.length) + { + ActionEvent ev = new ActionEvent(JTextComponent.this, + ActionEvent.ACTION_PERFORMED, null); + actions[i].actionPerformed(ev); + ret = true; + } + return ret; } /** @@ -426,9 +569,8 @@ public abstract class JTextComponent extends JComponent * @param s - the new text contents. */ public void setTextContents(String s) - throws NotImplementedException { - // TODO + setText(s); } /** @@ -438,9 +580,16 @@ public abstract class JTextComponent extends JComponent * @param s - the new text */ public void insertTextAtIndex(int index, String s) - throws NotImplementedException { - replaceText(index, index, s); + try + { + doc.insertString(index, s, null); + } + catch (BadLocationException ex) + { + // What should we do with this? + ex.printStackTrace(); + } } /** @@ -453,7 +602,7 @@ public abstract class JTextComponent extends JComponent { try { - return textComp.getText(start, end - start); + return JTextComponent.this.getText(start, end - start); } catch (BadLocationException ble) { @@ -481,8 +630,8 @@ public abstract class JTextComponent extends JComponent */ public void cut(int start, int end) { - textComp.select(start, end); - textComp.cut(); + JTextComponent.this.select(start, end); + JTextComponent.this.cut(); } /** @@ -492,8 +641,8 @@ public abstract class JTextComponent extends JComponent */ public void paste(int start) { - textComp.setCaretPosition(start); - textComp.paste(); + JTextComponent.this.setCaretPosition(start); + JTextComponent.this.paste(); } /** @@ -506,8 +655,8 @@ public abstract class JTextComponent extends JComponent */ public void replaceText(int start, int end, String s) { - textComp.select(start, end); - textComp.replaceSelection(s); + JTextComponent.this.select(start, end); + JTextComponent.this.replaceSelection(s); } /** @@ -518,7 +667,7 @@ public abstract class JTextComponent extends JComponent */ public void selectText(int start, int end) { - textComp.select(start, end); + JTextComponent.this.select(start, end); } /** @@ -529,9 +678,12 @@ public abstract class JTextComponent extends JComponent * @param s - the new attribute set for the text in the range */ public void setAttributes(int start, int end, AttributeSet s) - throws NotImplementedException { - // TODO + if (doc instanceof StyledDocument) + { + StyledDocument sdoc = (StyledDocument) doc; + sdoc.setCharacterAttributes(start, end - start, s, true); + } } } |