diff options
Diffstat (limited to 'libjava/javax/swing/text/JTextComponent.java')
| -rw-r--r-- | libjava/javax/swing/text/JTextComponent.java | 833 |
1 files changed, 485 insertions, 348 deletions
diff --git a/libjava/javax/swing/text/JTextComponent.java b/libjava/javax/swing/text/JTextComponent.java index 48bb0c03ce6..6451ef5c31f 100644 --- a/libjava/javax/swing/text/JTextComponent.java +++ b/libjava/javax/swing/text/JTextComponent.java @@ -1,5 +1,5 @@ -/* JTextComponent.java -- - Copyright (C) 2002 Free Software Foundation, Inc. +/* JTextComponent.java -- + Copyright (C) 2002, 2004 Free Software Foundation, Inc. This file is part of GNU Classpath. @@ -42,8 +42,10 @@ import java.awt.Component; import java.awt.Dimension; import java.awt.Image; import java.awt.Insets; -import java.awt.Rectangle; import java.awt.Point; +import java.awt.Rectangle; +import java.awt.event.InputMethodListener; + import javax.accessibility.Accessible; import javax.accessibility.AccessibleContext; import javax.accessibility.AccessibleRole; @@ -51,6 +53,7 @@ import javax.accessibility.AccessibleStateSet; import javax.accessibility.AccessibleText; import javax.swing.Icon; import javax.swing.JComponent; +import javax.swing.JViewport; import javax.swing.KeyStroke; import javax.swing.Scrollable; import javax.swing.UIManager; @@ -60,6 +63,7 @@ import javax.swing.event.DocumentEvent; import javax.swing.event.DocumentListener; import javax.swing.plaf.TextUI; + public abstract class JTextComponent extends JComponent implements Scrollable, Accessible { @@ -67,410 +71,323 @@ public abstract class JTextComponent extends JComponent // implements AccessibleText, CaretListener, DocumentListener, // AccessibleAction, AccessibleEditableText // { -// } // class AccessibleJTextComponent - - /** - * AccessibleJTextComponent - */ - public class AccessibleJTextComponent extends AccessibleJComponent - implements AccessibleText, CaretListener, DocumentListener { - - //------------------------------------------------------------- - // Variables -------------------------------------------------- - //------------------------------------------------------------- - - /** - * caretPos - */ - int caretPos; - - - //------------------------------------------------------------- - // Initialization --------------------------------------------- - //------------------------------------------------------------- - - /** - * Constructor AccessibleJTextComponent - * @param component TODO - */ - public AccessibleJTextComponent(JTextComponent component) { - super(component); - // TODO - } // AccessibleJTextComponent() - - - //------------------------------------------------------------- - // Methods ---------------------------------------------------- - //------------------------------------------------------------- - - /** - * getCaretPosition - * @returns int - */ - public int getCaretPosition() { - return 0; // TODO - } // getCaretPosition() - - /** - * getSelectedText - * @returns String - */ - public String getSelectedText() { - return null; // TODO - } // getSelectedText() - - /** - * getSelectionStart - * @returns int - */ - public int getSelectionStart() { - return 0; // TODO - } // getSelectionStart() - - /** - * getSelectionEnd - * @returns int - */ - public int getSelectionEnd() { - return 0; // TODO - } // getSelectionEnd() - - /** - * caretUpdate - * @param value0 TODO - */ - public void caretUpdate(CaretEvent value0) { - // TODO - } // caretUpdate() - - /** - * getAccessibleStateSet - * @returns AccessibleStateSet - */ - public AccessibleStateSet getAccessibleStateSet() { - return null; // TODO - } // getAccessibleStateSet() - - /** - * getAccessibleRole - * @returns AccessibleRole - */ - public AccessibleRole getAccessibleRole() { - return null; // TODO - } // getAccessibleRole() - - /** - * getAccessibleText - * @returns AccessibleText - */ - public AccessibleText getAccessibleText() { - return null; // TODO - } // getAccessibleText() - - /** - * insertUpdate - * @param value0 TODO - */ - public void insertUpdate(DocumentEvent value0) { - // TODO - } // insertUpdate() - - /** - * removeUpdate - * @param value0 TODO - */ - public void removeUpdate(DocumentEvent value0) { - // TODO - } // removeUpdate() - - /** - * changedUpdate - * @param value0 TODO - */ - public void changedUpdate(DocumentEvent value0) { - // TODO - } // changedUpdate() - - /** - * getIndexAtPoint - * @param value0 TODO - * @returns int - */ - public int getIndexAtPoint(Point value0) { - return 0; // TODO - } // getIndexAtPoint() - - /** - * getRootEditorRect - * @returns Rectangle - */ - Rectangle getRootEditorRect() { - return null; // TODO - } // getRootEditorRect() - - /** - * getCharacterBounds - * @param value0 TODO - * @returns Rectangle - */ - public Rectangle getCharacterBounds(int value0) { - return null; // TODO - } // getCharacterBounds() - - /** - * getCharCount - * @returns int - */ - public int getCharCount() { - return 0; // TODO - } // getCharCount() - - /** - * getCharacterAttribute - * @param value0 TODO - * @returns AttributeSet - */ - public AttributeSet getCharacterAttribute(int value0) { - return null; // TODO - } // getCharacterAttribute() - - /** - * getAtIndex - * @param value0 TODO - * @param value1 TODO - * @returns String - */ - public String getAtIndex(int value0, int value1) { - return null; // TODO - } // getAtIndex() - - /** - * getAfterIndex - * @param value0 TODO - * @param value1 TODO - * @returns String - */ - public String getAfterIndex(int value0, int value1) { - return null; // TODO - } // getAfterIndex() - - /** - * getBeforeIndex - * @param value0 TODO - * @param value1 TODO - * @returns String - */ - public String getBeforeIndex(int value0, int value1) { - return null; // TODO - } // getBeforeIndex() - - - } // AccessibleJTextComponent - +// } - - public static class KeyBinding + /** + * AccessibleJTextComponent + */ + public class AccessibleJTextComponent extends AccessibleJComponent + implements AccessibleText, CaretListener, DocumentListener { - public KeyStroke key; - public String actionName; - public KeyBinding(KeyStroke key, String actionName) - { - this.key = key; - this.actionName = actionName; - } - } // class KeyBinding + private static final long serialVersionUID = 7664188944091413696L; - int icon_gap; - Icon icon; - int align; - Document doc; + /** + * caretPos + */ + int caretPos; - public JTextComponent() + /** + * Constructor AccessibleJTextComponent + * @param component TODO + */ + public AccessibleJTextComponent() { - this("", null, 0); } - public JTextComponent(Icon image) + /** + * getCaretPosition + * @return int + */ + public int getCaretPosition() { - this("", image, 0); + return 0; // TODO } - public JTextComponent(Icon image, int horizontalAlignment) + /** + * getSelectedText + * @return String + */ + public String getSelectedText() { - this("", image, horizontalAlignment); + return null; // TODO } - public JTextComponent(String text) + /** + * getSelectionStart + * @return int + */ + public int getSelectionStart() { - this(text, null, 0); + return 0; // TODO } - public JTextComponent(String text, int horizontalAlignment) + /** + * getSelectionEnd + * @return int + */ + public int getSelectionEnd() { - this(text, null, horizontalAlignment); + return 0; // TODO } - public JTextComponent(String text, Icon icon, int horizontalAlignment) + /** + * caretUpdate + * @param value0 TODO + */ + public void caretUpdate(CaretEvent value0) { - setDocument(new PlainDocument()); - - // do the work..... - setText(text); - this.icon = icon; - this.align = horizontalAlignment; - - // its an editor, so: - enableEvents(AWTEvent.KEY_EVENT_MASK); - updateUI(); + // TODO } - public void setDocument(Document s) + /** + * getAccessibleStateSet + * @return AccessibleStateSet + */ + public AccessibleStateSet getAccessibleStateSet() { - doc = s; - revalidate(); - repaint(); + return null; // TODO } - public Document getDocument() + /** + * getAccessibleRole + * @return AccessibleRole + */ + public AccessibleRole getAccessibleRole() { - if (doc == null) - System.out.println("doc == null !!!"); - return doc; + return null; // TODO } - protected int checkHorizontalKey(int key, String message) - { - // Verify that key is a legal value for the horizontalAlignment properties. - return 0; - } - protected int checkVerticalKey(int key, String message) - { - // Verify that key is a legal value for the verticalAlignment or verticalTextPosition properties. - return 0; - } - public AccessibleContext getAccessibleContext() - { - // Get the AccessibleContext of this object - return null; - } - public Icon getDisabledIcon() + /** + * getAccessibleText + * @return AccessibleText + */ + public AccessibleText getAccessibleText() { - return null; + return null; // TODO } - public int getDisplayedMnemonic() - { - // Return the keycode that indicates a mnemonic key. - return 0; - } - public int getHorizontalAlignment() - { - // Returns the alignment of the label's contents along the X axis. - return 0; - } - public int getHorizontalTextPosition() - { - // Returns the horizontal position of the label's text, relative to its image. - return 0; - } - - public Icon getIcon() - { return icon; } - public int getIconTextGap() - { return icon_gap; } - - Component getLabelFor() + /** + * insertUpdate + * @param value0 TODO + */ + public void insertUpdate(DocumentEvent value0) { - // Get the component this is labelling. - return null; + // TODO } - public Insets getMargin() + /** + * removeUpdate + * @param value0 TODO + */ + public void removeUpdate(DocumentEvent value0) { - // FIXME: Not implemented. - return null; + // TODO } - public void setText(String text) - { - getDocument().remove(0,doc.getLength()); - getDocument().insertString(0, text, null); - } - - public String getText() + /** + * changedUpdate + * @param value0 TODO + */ + public void changedUpdate(DocumentEvent value0) { - return getDocument().getText(0, - getDocument().getLength()); + // TODO } - public String getUIClassID() - { - // Returns a string that specifies the name of the l&f class that renders this component. - return "TextComponentUI"; - } - public int getVerticalAlignment() - { - // Returns the alignment of the label's contents along the Y axis. - return 0; - } - public int getVerticalTextPosition() + /** + * getIndexAtPoint + * @param value0 TODO + * @return int + */ + public int getIndexAtPoint(Point value0) { - // Returns the vertical position of the label's text, relative to its image. - return 0; + return 0; // TODO } - public boolean imageUpdate(Image img, int infoflags, int x, int y, int w, int h) - { - // This is overriden to return false if the current Icon's Image is not equal to the passed in Image img. - return (img == icon); - } - protected String paramString() + /** + * getRootEditorRect + * @return Rectangle + */ + Rectangle getRootEditorRect() { - // Returns a string representation of this JTextComponent. - return "JTextComponent"; + return null; } - void setDisabledIcon(Icon disabledIcon) + + /** + * getCharacterBounds + * @param value0 TODO + * @return Rectangle + */ + public Rectangle getCharacterBounds(int value0) { - // Set the icon to be displayed if this JTextComponent is "disabled" (JTextComponent.setEnabled(false)). + return null; // TODO } - void setDisplayedMnemonic(char aChar) + + /** + * getCharCount + * @return int + */ + public int getCharCount() { - // Specifies the displayedMnemonic as a char value. + return 0; // TODO } - void setDisplayedMnemonic(int key) + + /** + * getCharacterAttribute + * @param value0 TODO + * @return AttributeSet + */ + public AttributeSet getCharacterAttribute(int value0) { - // Specify a keycode that indicates a mnemonic key. + return null; // TODO } - void setHorizontalAlignment(int alignment) + + /** + * getAtIndex + * @param value0 TODO + * @param value1 TODO + * @return String + */ + public String getAtIndex(int value0, int value1) { - // Sets the alignment of the label's contents along the X axis. + return null; // TODO } - void setHorizontalTextPosition(int textPosition) + + /** + * getAfterIndex + * @param value0 TODO + * @param value1 TODO + * @return String + */ + public String getAfterIndex(int value0, int value1) { - // Sets the horizontal position of the label's text, relative to its image. + return null; // TODO } - void setIcon(Icon icon) + + /** + * getBeforeIndex + * @param value0 TODO + * @param value1 TODO + * @return String + */ + public String getBeforeIndex(int value0, int value1) { - // Defines the icon this component will display. + return null; // TODO } - public void setIconTextGap(int iconTextGap) + } + + public static class KeyBinding + { + public KeyStroke key; + public String actionName; + + public KeyBinding(KeyStroke key, String actionName) { - // If both the icon and text properties are set, this property defines the space between them. + this.key = key; + this.actionName = actionName; } + } + + private static final long serialVersionUID = -8796518220218978795L; - public void setLabelFor(Component c) - { - // Set the component this is labelling. - } - - public void setVerticalAlignment(int alignment) - { - // Sets the alignment of the label's contents along the Y axis. - } - public void setVerticalTextPosition(int textPosition) - { - // Sets the vertical position of the label's text, relative to its image. - } + public static final String DEFAULT_KEYMAP = "default"; + public static final String FOCUS_ACCELERATOR_KEY = "focusAcceleratorKey"; + + private Document doc; + private Caret caret; + private boolean editable; + + public JTextComponent() + { + enableEvents(AWTEvent.KEY_EVENT_MASK); + updateUI(); + } + + public void setDocument(Document s) + { + doc = s; + revalidate(); + repaint(); + } + + public Document getDocument() + { + if (doc == null) + System.out.println("doc == null !!!"); + return doc; + } + + /** + * Get the AccessibleContext of this object + */ + public AccessibleContext getAccessibleContext() + { + return null; + } + + public Insets getMargin() + { + // FIXME: Not implemented. + return null; + } + + public void setText(String text) + { + try + { + getDocument().remove(0, doc.getLength()); + getDocument().insertString(0, text, null); + } + catch (BadLocationException e) + { + } + } + + /** + * Retrieves the current text in this text document. + * + * @return the text + * + * @exception NullPointerException if the underlaying document is null + */ + public String getText() + { + return getDocument().getText(0, getDocument().getLength()); + } + + /** + * Retrieves a part of the current text in this document. + * + * @param offset the postion of the first character + * @param length the length of the text to retrieve + * + * @return the text + * + * @exception BadLocationException if arguments do not hold pre-conditions + */ + public String getText(int offset, int length) + throws BadLocationException + { + return getDocument().getText(offset, length); + } + + /** + * Returns a string that specifies the name of the l&f class + * that renders this component. + * + * @return the string "TextComponentUI" + */ + public String getUIClassID() + { + return "TextComponentUI"; + } + + /** + * Returns a string representation of this JTextComponent. + */ + protected String paramString() + { + return "JTextComponent"; + } public TextUI getUI() { @@ -486,26 +403,246 @@ public abstract class JTextComponent extends JComponent { return null; } + public int getScrollableUnitIncrement(Rectangle visible, int orientation, int direction) { return 0; } + public int getScrollableBlockIncrement(Rectangle visible, int orientation, int direction) { return 0; } -} // class JTextComponent + /** + * Checks whether this text component it editable. + * + * @return true if editable, false otherwise + */ + public boolean isEditable() + { + return editable; + } + + /** + * Enables/disabled this text component's editability. + * + * @param editable true to make it editable, false otherwise. + */ + public void setEditable(boolean editable) + { + firePropertyChange("editable", this.editable, editable); + this.editable = editable; + } + + /** + * The <code>Caret</code> object used in this text component. + * + * @return the caret object + */ + public Caret getCaret() + { + return caret; + } + + /** + * Retrisves the current caret position. + * + * @return the current position + */ + public int getCaretPosition() + { + return caret.getDot(); + } + + /** + * Sets the caret to a new position. + * + * @param position the new position + */ + public void setCaretPosition(int position) + { + if (doc == null) + return; + + if (position < 0 || position > doc.getLength()) + throw new IllegalArgumentException(); + + caret.setDot(position); + } + + /** + * Moves the caret to a given position. This selects the text between + * the old and the new position of the caret. + */ + public void moveCaretPosition(int position) + { + if (doc == null) + return; + + if (position < 0 || position > doc.getLength()) + throw new IllegalArgumentException(); + + caret.moveDot(position); + } + + /** + * Returns the start postion of the currently selected text. + * + * @return the start postion + */ + public int getSelectionStart() + { + return Math.min(caret.getDot(), caret.getMark()); + } + + /** + * Selects the text from the given postion to the selection end position. + * + * @param end the start positon of the selected text. + */ + public void setSelectionStart(int start) + { + select(start, getSelectionEnd()); + } + + /** + * Returns the end postion of the currently selected text. + * + * @return the end postion + */ + public int getSelectionEnd() + { + return Math.max(caret.getDot(), caret.getMark()); + } + + /** + * Selects the text from the selection start postion to the given position. + * + * @param end the end positon of the selected text. + */ + public void setSelectionEnd(int end) + { + select(getSelectionStart(), end); + } + + /** + * Selects a part of the content of the text component. + * + * @param start the start position of the selected text + * @param ent the end position of the selected text + */ + public void select(int start, int end) + { + int length = doc.getLength(); + + start = Math.max(start, 0); + start = Math.min(start, length); + + end = Math.max(end, 0); + end = Math.min(end, length); + + setCaretPosition(start); + moveCaretPosition(end); + } + + /** + * Selects the whole content of the text component. + */ + public void selectAll() + { + select(0, doc.getLength()); + } + + public boolean getScrollableTracksViewportHeight() + { + if (getParent() instanceof JViewport) + return ((JViewport) getParent()).getHeight() > getPreferredSize().height; + return false; + } + public boolean getScrollableTracksViewportWidth() + { + if (getParent() instanceof JViewport) + return ((JViewport) getParent()).getWidth() > getPreferredSize().width; + return false; + } + /** + * Adds a <code>CaretListener</code> object to this text component. + * + * @param listener the listener to add + */ + public void addCaretListener(CaretListener listener) + { + listenerList.add(CaretListener.class, listener); + } + /** + * Removed a <code>CaretListener</code> object from this text component. + * + * @param listener the listener to remove + */ + public void removeCaretListener(CaretListener listener) + { + listenerList.remove(CaretListener.class, listener); + } + /** + * Returns all added <code>CaretListener</code> objects. + * + * @return an array of listeners + */ + public CaretListener[] getCaretListeners() + { + return (CaretListener[]) getListeners(CaretListener.class); + } + /** + * Notifies all registered <code>CaretListener</code> objects that the caret + * was updated. + * + * @param event the event to send + */ + protected void fireCaretUpdate(CaretEvent event) + { + CaretListener[] listeners = getCaretListeners(); + for (int index = 0; index < listeners.length; ++index) + listeners[index].caretUpdate(event); + } + /** + * Adds an <code>InputListener</code> object to this text component. + * + * @param listener the listener to add + */ + public void addInputMethodListener(InputMethodListener listener) + { + listenerList.add(InputMethodListener.class, listener); + } + /** + * Removes an <code>InputListener</code> object from this text component. + * + * @param listener the listener to remove + */ + public void removeInputMethodListener(InputMethodListener listener) + { + listenerList.remove(InputMethodListener.class, listener); + } + /** + * Returns all added <code>InputMethodListener</code> objects. + * + * @return an array of listeners + */ + public InputMethodListener[] getInputMethodListeners() + { + return (InputMethodListener[]) getListeners(InputMethodListener.class); + } +} |
