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This is a backport of OpenJFX 8 to run on Java 7.
The newest version!
/*
* Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package javafx.scene.control;
import java.text.BreakIterator;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import javafx.beans.DefaultProperty;
import javafx.beans.InvalidationListener;
import javafx.beans.Observable;
import javafx.beans.binding.IntegerBinding;
import javafx.beans.binding.StringBinding;
import javafx.beans.property.BooleanProperty;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.ReadOnlyIntegerProperty;
import javafx.beans.property.ReadOnlyIntegerWrapper;
import javafx.beans.property.ReadOnlyObjectProperty;
import javafx.beans.property.ReadOnlyObjectWrapper;
import javafx.beans.property.ReadOnlyStringProperty;
import javafx.beans.property.ReadOnlyStringWrapper;
import javafx.beans.property.SimpleBooleanProperty;
import javafx.beans.property.SimpleStringProperty;
import javafx.beans.property.StringProperty;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableStringValue;
import javafx.beans.value.ObservableValue;
import javafx.css.CssMetaData;
import javafx.css.FontCssMetaData;
import javafx.css.PseudoClass;
import javafx.css.StyleOrigin;
import javafx.css.StyleableObjectProperty;
import javafx.css.StyleableProperty;
import javafx.scene.input.Clipboard;
import javafx.scene.input.ClipboardContent;
import javafx.scene.text.Font;
import com.sun.javafx.Utils;
import com.sun.javafx.binding.ExpressionHelper;
import javafx.css.Styleable;
/**
* Abstract base class for text input controls.
* @since JavaFX 2.0
*/
@DefaultProperty("text")
public abstract class TextInputControl extends Control {
/**
* Interface representing a text input's content. Since it is an ObservableStringValue,
* you can also bind to, or observe the content.
* @since JavaFX 2.0
*/
protected interface Content extends ObservableStringValue {
/**
* Retrieves a subset of the content.
*
* @param start
* @param end
*/
public String get(int start, int end);
/**
* Inserts a sequence of characters into the content.
*
* @param index
* @param text
* @since JavaFX 2.1
*/
public void insert(int index, String text, boolean notifyListeners);
/**
* Removes a sequence of characters from the content.
*
* @param start
* @param end
* @since JavaFX 2.1
*/
public void delete(int start, int end, boolean notifyListeners);
/**
* Returns the number of characters represented by the content.
*/
public int length();
}
/***************************************************************************
* *
* Constructors *
* *
**************************************************************************/
/**
* Creates a new TextInputControl. The content is an immutable property and
* must be specified (as non-null) at the time of construction.
*
* @param content a non-null implementation of Content.
*/
protected TextInputControl(final Content content) {
this.content = content;
// Add a listener so that whenever the Content is changed, we notify
// listeners of the text property that it is invalid.
content.addListener(new InvalidationListener() {
@Override public void invalidated(Observable observable) {
if (content.length() > 0) {
text.textIsNull = false;
}
text.invalidate();
}
});
// Bind the length to be based on the length of the text property
length.bind(new IntegerBinding() {
{ bind(text); }
@Override protected int computeValue() {
String txt = text.get();
return txt == null ? 0 : txt.length();
}
});
// Bind the selected text to be based on the selection and text properties
selectedText.bind(new StringBinding() {
{ bind(selection, text); }
@Override protected String computeValue() {
String txt = text.get();
IndexRange sel = selection.get();
if (txt == null || sel == null) return "";
int start = sel.getStart();
int end = sel.getEnd();
int length = txt.length();
if (end > start + length) end = length;
if (start > length-1) start = end = 0;
return txt.substring(start, end);
}
});
// Specify the default style class
getStyleClass().add("text-input");
}
/***************************************************************************
* *
* Properties *
* *
**************************************************************************/
/**
* The default font to use for text in the TextInputControl. If the TextInputControl's text is
* rich text then this font may or may not be used depending on the font
* information embedded in the rich text, but in any case where a default
* font is required, this font will be used.
* @since JavaFX 8.0
*/
public final ObjectProperty fontProperty() {
if (font == null) {
font = new StyleableObjectProperty(Font.getDefault()) {
private boolean fontSetByCss = false;
@Override
public void applyStyle(StyleOrigin newOrigin, Font value) {
//
// RT-20727 - if CSS is setting the font, then make sure invalidate doesn't call impl_reapplyCSS
//
try {
// super.applyStyle calls set which might throw if value is bound.
// Have to make sure fontSetByCss is reset.
fontSetByCss = true;
super.applyStyle(newOrigin, value);
} catch(Exception e) {
throw e;
} finally {
fontSetByCss = false;
}
}
@Override
public void set(Font value) {
final Font oldValue = get();
if (value == null ? oldValue == null : value.equals(oldValue)) {
return;
}
super.set(value);
}
@Override
protected void invalidated() {
// RT-20727 - if font is changed by calling setFont, then
// css might need to be reapplied since font size affects
// calculated values for styles with relative values
if(fontSetByCss == false) {
TextInputControl.this.impl_reapplyCSS();
}
}
@Override
public CssMetaData getCssMetaData() {
return StyleableProperties.FONT;
}
@Override
public Object getBean() {
return TextInputControl.this;
}
@Override
public String getName() {
return "font";
}
};
}
return font;
}
private ObjectProperty font;
public final void setFont(Font value) { fontProperty().setValue(value); }
public final Font getFont() { return font == null ? Font.getDefault() : font.getValue(); }
/**
* The prompt text to display in the {@code TextInputControl}, or
* null if no prompt text is displayed.
* @since JavaFX 2.2
*/
private StringProperty promptText = new SimpleStringProperty(this, "promptText", "") {
@Override protected void invalidated() {
// Strip out newlines
String txt = get();
if (txt != null && txt.contains("\n")) {
txt = txt.replace("\n", "");
set(txt);
}
}
};
public final StringProperty promptTextProperty() { return promptText; }
public final String getPromptText() { return promptText.get(); }
public final void setPromptText(String value) { promptText.set(value); }
private final Content content;
/**
* Returns the text input's content model.
*/
protected final Content getContent() {
return content;
}
/**
* The textual content of this TextInputControl.
*/
private TextProperty text = new TextProperty();
public final String getText() { return text.get(); }
public final void setText(String value) { text.set(value); }
public final StringProperty textProperty() { return text; }
/**
* The number of characters in the text input.
*/
private ReadOnlyIntegerWrapper length = new ReadOnlyIntegerWrapper(this, "length");
public final int getLength() { return length.get(); }
public final ReadOnlyIntegerProperty lengthProperty() { return length.getReadOnlyProperty(); }
/**
* Indicates whether this TextInputControl can be edited by the user.
*/
private BooleanProperty editable = new SimpleBooleanProperty(this, "editable", true) {
@Override protected void invalidated() {
pseudoClassStateChanged(PSEUDO_CLASS_READONLY, ! get());
}
};
public final boolean isEditable() { return editable.getValue(); }
public final void setEditable(boolean value) { editable.setValue(value); }
public final BooleanProperty editableProperty() { return editable; }
/**
* The current selection.
*/
private ReadOnlyObjectWrapper selection = new ReadOnlyObjectWrapper(this, "selection", new IndexRange(0, 0));
public final IndexRange getSelection() { return selection.getValue(); }
public final ReadOnlyObjectProperty selectionProperty() { return selection.getReadOnlyProperty(); }
/**
* Defines the characters in the TextInputControl which are selected
*/
private ReadOnlyStringWrapper selectedText = new ReadOnlyStringWrapper(this, "selectedText");
public final String getSelectedText() { return selectedText.get(); }
public final ReadOnlyStringProperty selectedTextProperty() { return selectedText.getReadOnlyProperty(); }
/**
* The anchor of the text selection.
* The anchor and caretPosition make up the selection
* range. Selection must always be specified in terms of begin <= end, but
* anchor may be less than, equal to, or greater than the
* caretPosition. Depending on how the user selects text,
* the anchor might represent the lower or upper bound of the selection.
*/
private ReadOnlyIntegerWrapper anchor = new ReadOnlyIntegerWrapper(this, "anchor", 0);
public final int getAnchor() { return anchor.get(); }
public final ReadOnlyIntegerProperty anchorProperty() { return anchor.getReadOnlyProperty(); }
/**
* The current position of the caret within the text.
* The anchor and caretPosition make up the selection
* range. Selection must always be specified in terms of begin <= end, but
* anchor may be less than, equal to, or greater than the
* caretPosition. Depending on how the user selects text,
* the caretPosition might represent the lower or upper bound of the selection.
*/
private ReadOnlyIntegerWrapper caretPosition = new ReadOnlyIntegerWrapper(this, "caretPosition", 0);
public final int getCaretPosition() { return caretPosition.get(); }
public final ReadOnlyIntegerProperty caretPositionProperty() { return caretPosition.getReadOnlyProperty(); }
/**
* This flag is used to indicate that the text on replace trigger should
* NOT update the caret position. Basically it is a flag we use to
* indicate that the change to textInputControl.text was from us instead of from
* the developer. The language being what it is, it is possible that the
* developer is also bound to textInputControl.text and that they will change the
* text value before our on replace trigger gets called. We will therefore
* have to check the caret position against the text to make sure we don't
* get a caret position out of bounds. But otherwise, we don't update
* the caret when text is set internally.
*/
private boolean doNotAdjustCaret = false;
/***************************************************************************
* *
* Methods *
* *
**************************************************************************/
/**
* Returns a subset of the text input's content.
*
* @param start must be a value between 0 and end - 1.
* @param end must be less than or equal to the length
*/
public String getText(int start, int end) {
// TODO these checks really belong in Content
if (start > end) {
throw new IllegalArgumentException("The start must be <= the end");
}
if (start < 0
|| end > getLength()) {
throw new IndexOutOfBoundsException();
}
return getContent().get(start, end);
}
/**
* Appends a sequence of characters to the content.
*
* @param text a non null String
*/
public void appendText(String text) {
insertText(getLength(), text);
}
/**
* Inserts a sequence of characters into the content.
*
* @param index The location to insert the text.
* @param text The text to insert.
*/
public void insertText(int index, String text) {
replaceText(index, index, text);
}
/**
* Removes a range of characters from the content.
*
* @param range The range of text to delete. The range object must not be null.
*
* @see #deleteText(int, int)
*/
public void deleteText(IndexRange range) {
replaceText(range, "");
}
/**
* Removes a range of characters from the content.
*
* @param start The starting index in the range, inclusive. This must be >= 0 and < the end.
* @param end The ending index in the range, exclusive. This is one-past the last character to
* delete (consistent with the String manipulation methods). This must be > the start,
* and <= the length of the text.
*/
public void deleteText(int start, int end) {
replaceText(start, end, "");
}
/**
* Replaces a range of characters with the given text.
*
* @param range The range of text to replace. The range object must not be null.
* @param text The text that is to replace the range. This must not be null.
*
* @see #replaceText(int, int, String)
*/
public void replaceText(IndexRange range, String text) {
if (range == null) {
throw new NullPointerException();
}
int start = range.getStart();
int end = start + range.getLength();
replaceText(start, end, text);
}
/**
* Replaces a range of characters with the given text.
*
* @param start The starting index in the range, inclusive. This must be >= 0 and < the end.
* @param end The ending index in the range, exclusive. This is one-past the last character to
* delete (consistent with the String manipulation methods). This must be > the start,
* and <= the length of the text.
* @param text The text that is to replace the range. This must not be null.
*/
public void replaceText(int start, int end, String text) {
if (start > end) {
throw new IllegalArgumentException();
}
if (text == null) {
throw new NullPointerException();
}
if (start < 0
|| end > getLength()) {
throw new IndexOutOfBoundsException();
}
if (!this.text.isBound()) {
getContent().delete(start, end, text.isEmpty());
getContent().insert(start, text, true);
start += text.length();
selectRange(start, start);
}
}
/**
* Transfers the currently selected range in the text to the clipboard,
* removing the current selection.
*/
public void cut() {
copy();
IndexRange selection = getSelection();
deleteText(selection.getStart(), selection.getEnd());
}
/**
* Transfers the currently selected range in the text to the clipboard,
* leaving the current selection.
*/
public void copy() {
final String selectedText = getSelectedText();
if (selectedText.length() > 0) {
final ClipboardContent content = new ClipboardContent();
content.putString(selectedText);
Clipboard.getSystemClipboard().setContent(content);
}
}
/**
* Transfers the contents in the clipboard into this text,
* replacing the current selection. If there is no selection, the contents
* in the clipboard is inserted at the current caret position.
*/
public void paste() {
final Clipboard clipboard = Clipboard.getSystemClipboard();
if (clipboard.hasString()) {
final String text = clipboard.getString();
if (text != null) {
replaceSelection(text);
}
}
}
/**
* Moves the selection backward one char in the text. This may have the
* effect of deselecting, depending on the location of the anchor relative
* to the caretPosition. This function effectively just moves the caretPosition.
*/
public void selectBackward() {
if (getCaretPosition() > 0 && getLength() > 0) {
// because the anchor stays put, by moving the caret to the left
// we ensure that a selection is registered and that it is correct
selectRange(getAnchor(), Character.offsetByCodePoints(getText(), getCaretPosition(), -1));
}
}
/**
* Moves the selection forward one char in the text. This may have the
* effect of deselecting, depending on the location of the anchor relative
* to the caretPosition. This function effectively just moves the caret forward.
*/
public void selectForward() {
final int textLength = getLength();
if (textLength > 0 && getCaretPosition() < textLength) {
selectRange(getAnchor(), Character.offsetByCodePoints(getText(), getCaretPosition(), 1));
}
}
/**
* The break iterator instance. Right now, it is only used to perform
* previous/next word navigation.
*/
private BreakIterator breakIterator;
/**
* Moves the caret to the beginning of previous word. This function
* also has the effect of clearing the selection.
*/
public void previousWord() {
previousWord(false);
}
/**
* Moves the caret to the beginning of next word. This function
* also has the effect of clearing the selection.
*/
public void nextWord() {
nextWord(false);
}
/**
* Moves the caret to the end of the next word. This function
* also has the effect of clearing the selection.
*/
public void endOfNextWord() {
endOfNextWord(false);
}
/**
* Moves the caret to the beginning of previous word. This does not cause
* the selection to be cleared. Rather, the anchor stays put and the caretPosition is
* moved to the beginning of previous word.
*/
public void selectPreviousWord() {
previousWord(true);
}
/**
* Moves the caret to the beginning of next word. This does not cause
* the selection to be cleared. Rather, the anchor stays put and the caretPosition is
* moved to the beginning of next word.
*/
public void selectNextWord() {
nextWord(true);
}
/**
* Moves the caret to the end of the next word. This does not cause
* the selection to be cleared.
*/
public void selectEndOfNextWord() {
endOfNextWord(true);
}
private void previousWord(boolean select) {
final int textLength = getLength();
final String text = getText();
if (textLength <= 0) {
return;
}
if (breakIterator == null) {
breakIterator = BreakIterator.getWordInstance();
}
breakIterator.setText(text);
int pos = breakIterator.preceding(Utils.clamp(0, getCaretPosition(), textLength - 1));
// Skip the non-word region, then move/select to the beginning of the word.
while (pos != BreakIterator.DONE &&
!Character.isLetter(text.charAt(Utils.clamp(0, pos, textLength-1)))) {
pos = breakIterator.preceding(Utils.clamp(0, pos, textLength-1));
}
// move/select
selectRange(select ? getAnchor() : pos, pos);
}
private void nextWord(boolean select) {
final int textLength = getLength();
final String text = getText();
if (textLength <= 0) {
return;
}
if (breakIterator == null) {
breakIterator = BreakIterator.getWordInstance();
}
breakIterator.setText(text);
int last = breakIterator.following(Utils.clamp(0, getCaretPosition(), textLength-1));
int current = breakIterator.next();
// skip the non-word region, then move/select to the beginning of the word.
while (current != BreakIterator.DONE) {
for (int p=last; p<=current; p++) {
if (Character.isLetter(text.charAt(Utils.clamp(0, p, textLength-1)))) {
if (select) {
selectRange(getAnchor(), p);
} else {
selectRange(p, p);
}
return;
}
}
last = current;
current = breakIterator.next();
}
// move/select to the end
if (select) {
selectRange(getAnchor(), textLength);
} else {
end();
}
}
private void endOfNextWord(boolean select) {
final int textLength = getLength();
final String text = getText();
if (textLength <= 0) {
return;
}
if (breakIterator == null) {
breakIterator = BreakIterator.getWordInstance();
}
breakIterator.setText(text);
int last = breakIterator.following(Utils.clamp(0, getCaretPosition(), textLength-1));
int current = breakIterator.next();
// skip the non-word region, then move/select to the end of the word.
while (current != BreakIterator.DONE) {
for (int p=last; p<=current; p++) {
if (!Character.isLetter(text.charAt(Utils.clamp(0, p, textLength-1)))) {
if (select) {
selectRange(getAnchor(), p);
} else {
selectRange(p, p);
}
return;
}
}
last = current;
current = breakIterator.next();
}
// move/select to the end
if (select) {
selectRange(getAnchor(), textLength);
} else {
end();
}
}
/**
* Selects all text in the text input.
*/
public void selectAll() {
selectRange(0, getLength());
}
/**
* Moves the caret to before the first char of the text. This function
* also has the effect of clearing the selection.
*/
public void home() {
// user wants to go to start
selectRange(0, 0);
}
/**
* Moves the caret to after the last char of the text. This function
* also has the effect of clearing the selection.
*/
public void end() {
// user wants to go to end
final int textLength = getLength();
if (textLength > 0) {
selectRange(textLength, textLength);
}
}
/**
* Moves the caret to before the first char of text. This does not cause
* the selection to be cleared. Rather, the anchor stays put and the
* caretPosition is moved to before the first char.
*/
public void selectHome() {
selectRange(getAnchor(), 0);
}
/**
* Moves the caret to after the last char of text. This does not cause
* the selection to be cleared. Rather, the anchor stays put and the
* caretPosition is moved to after the last char.
*/
public void selectEnd() {
final int textLength = getLength();
if (textLength > 0) selectRange(getAnchor(), textLength);
}
/**
* Deletes the character that precedes the current caret position from the
* text if there is no selection, or deletes the selection if there is one.
* This function returns true if the deletion succeeded, false otherwise.
*/
public boolean deletePreviousChar() {
boolean failed = true;
if (isEditable() && !isDisabled()) {
final String text = getText();
final int dot = getCaretPosition();
final int mark = getAnchor();
if (dot != mark) {
// there is a selection of text to remove
replaceSelection("");
failed = false;
} else if (dot > 0) {
// The caret is not at the beginning, so remove some characters.
// Typically you'd only be removing a single character, but
// in some cases you must remove two depending on the unicode
// characters
int p = Character.offsetByCodePoints(text, dot, -1);
doNotAdjustCaret = true;
deleteText(p, dot);
selectRange(p, p);
failed = false;
doNotAdjustCaret = false;
}
}
return !failed;
}
/**
* Deletes the character that follows the current caret position from the
* text if there is no selection, or deletes the selection if there is one.
* This function returns true if the deletion succeeded, false otherwise.
*/
public boolean deleteNextChar() {
boolean failed = true;
if (isEditable() && !isDisabled()) {
final String text = getText();
final int dot = getCaretPosition();
final int mark = getAnchor();
if (dot != mark) {
// there is a selection of text to remove
replaceSelection("");
int newDot = Math.min(dot, mark);
selectRange(newDot, newDot);
failed = false;
} else if (text.length() > 0 && dot < text.length()) {
// The caret is not at the end, so remove some characters.
// Typically you'd only be removing a single character, but
// in some cases you must remove two depending on the unicode
// characters
int p = Character.offsetByCodePoints(text, dot, 1);
doNotAdjustCaret = true;
//setText(text.substring(0, dot) + text.substring(dot + delChars));
deleteText(dot, p);
failed = false;
doNotAdjustCaret = false;
}
}
return !failed;
}
/**
* Moves the caret position forward. If there is no selection, then the
* caret position is moved one character forward. If there is a selection,
* then the caret position is moved to the end of the selection and
* the selection cleared.
*/
public void forward() {
// user has moved caret to the right
final int textLength = getLength();
final int dot = getCaretPosition();
final int mark = getAnchor();
if (dot != mark) {
int pos = Math.max(dot, mark);
selectRange(pos, pos);
} else if (dot < textLength && textLength > 0) {
int pos = Character.offsetByCodePoints(getText(), dot, 1);
selectRange(pos, pos);
}
deselect();
}
/**
* Moves the caret position backward. If there is no selection, then the
* caret position is moved one character backward. If there is a selection,
* then the caret position is moved to the beginning of the selection and
* the selection cleared.
*
* @expert This function is intended to be used by experts, primarily
* by those implementing new Skins or Behaviors. It is not common
* for developers or designers to access this function directly.
*/
public void backward() {
// user has moved caret to the left
final int textLength = getLength();
final int dot = getCaretPosition();
final int mark = getAnchor();
if (dot != mark) {
int pos = Math.min(dot, mark);
selectRange(pos, pos);
} else if (dot > 0 && textLength > 0) {
int pos = Character.offsetByCodePoints(getText(), dot, -1);
selectRange(pos, pos);
}
deselect();
}
/**
* Positions the caret to the position indicated by {@code pos}. This
* function will also clear the selection.
*/
public void positionCaret(int pos) {
final int p = Utils.clamp(0, pos, getLength());
selectRange(p, p);
}
/**
* Positions the caret to the position indicated by {@code pos} and extends
* the selection, if there is one. If there is no selection, then a
* selection is formed where the anchor is at the current caret position
* and the caretPosition is moved to pos.
*/
public void selectPositionCaret(int pos) {
selectRange(getAnchor(), Utils.clamp(0, pos, getLength()));
}
/**
* Positions the anchor and caretPosition explicitly.
*/
public void selectRange(int anchor, int caretPosition) {
this.caretPosition.set(Utils.clamp(0, caretPosition, getLength()));
this.anchor.set(Utils.clamp(0, anchor, getLength()));
this.selection.set(IndexRange.normalize(getAnchor(), getCaretPosition()));
}
/**
* This function will extend the selection to include the specified pos.
* This is different from selectPositionCaret in that it does not simply
* move the caret. Rather, it will reposition the caret and anchor as necessary
* to ensure that pos becomes the new caret and the far other end of the
* selection becomes the anchor.
*/
public void extendSelection(int pos) {
final int p = Utils.clamp(0, pos, getLength());
final int dot = getCaretPosition();
final int mark = getAnchor();
int start = Math.min(dot, mark);
int end = Math.max(dot, mark);
if (p < start) {
selectRange(end, p);
} else {
selectRange(start, p);
}
}
/**
* Clears the text.
*/
public void clear() {
deselect();
if (!text.isBound()) {
setText("");
}
}
/**
* Clears the selection.
*/
public void deselect() {
// set the anchor equal to the caret position, which clears the selection
// while also preserving the caret position
selectRange(getCaretPosition(), getCaretPosition());
}
/**
* Replaces the selection with the given replacement String. If there is
* no selection, then the replacement text is simply inserted at the current
* caret position. If there was a selection, then the selection is cleared
* and the given replacement text inserted.
*/
public void replaceSelection(String replacement) {
if (text.isBound()) return;
if (replacement == null) {
throw new NullPointerException();
}
final int dot = getCaretPosition();
final int mark = getAnchor();
int start = Math.min(dot, mark);
int end = Math.max(dot, mark);
int pos = dot;
if (getLength() == 0) {
doNotAdjustCaret = true;
setText(replacement);
selectRange(getLength(), getLength());
doNotAdjustCaret = false;
} else {
deselect();
// RT-16566: Need to take into account stripping of chars into caret pos
doNotAdjustCaret = true;
int oldLength = getLength();
end = Math.min(end, oldLength);
if (end > start) {
getContent().delete(start, end, replacement.isEmpty());
oldLength -= (end - start);
}
getContent().insert(start, replacement, true);
// RT-16566: Need to take into account stripping of chars into caret pos
final int p = start + getLength() - oldLength;
selectRange(p, p);
doNotAdjustCaret = false;
}
}
// Used by TextArea, although there are probably other better ways of
// doing this.
void textUpdated() { }
/**
* A little utility method for stripping out unwanted characters.
*
* @param txt
* @param stripNewlines
* @param stripTabs
* @return The string after having the unwanted characters stripped out.
*/
static String filterInput(String txt, boolean stripNewlines, boolean stripTabs) {
// Most of the time, when text is inserted, there are no illegal
// characters. So we'll do a "cheap" check for illegal characters.
// If we find one, we'll do a longer replace algorithm. In the
// case of illegal characters, this may at worst be an O(2n) solution.
// Strip out any characters that are outside the printed range
if (containsInvalidCharacters(txt, stripNewlines, stripTabs)) {
StringBuilder s = new StringBuilder(txt.length());
for (int i=0; i observable = null;
// Added to the observable when bound
private InvalidationListener listener = null;
// Used for event handling
private ExpressionHelper helper = null;
// The developer my set the Text property to null. Although
// the Content must be given an empty String, we must still
// treat the value as though it were null, so that a subsequent
// getText() will return null.
private boolean textIsNull = false;
@Override public String get() {
// Since we force eager binding and content is always up to date,
// we just need to get it from content and not through the binding
return textIsNull ? null : content.get();
}
@Override public void set(String value) {
if (isBound()) {
throw new java.lang.RuntimeException("A bound value cannot be set.");
}
doSet(value);
markInvalid();
}
private void invalidate() {
markInvalid();
}
@Override public void bind(ObservableValue observable) {
if (observable == null) {
throw new NullPointerException("Cannot bind to null");
}
if (!observable.equals(this.observable)) {
unbind();
this.observable = observable;
if (listener == null) {
listener = new Listener();
}
this.observable.addListener(listener);
markInvalid();
doSet(observable.getValue());
}
}
@Override public void unbind() {
if (observable != null) {
doSet(observable.getValue());
observable.removeListener(listener);
observable = null;
}
}
@Override public boolean isBound() {
return observable != null;
}
@Override public void addListener(InvalidationListener listener) {
helper = ExpressionHelper.addListener(helper, this, listener);
}
@Override public void removeListener(InvalidationListener listener) {
helper = ExpressionHelper.removeListener(helper, listener);
}
@Override public void addListener(ChangeListener listener) {
helper = ExpressionHelper.addListener(helper, this, listener);
}
@Override public void removeListener(ChangeListener listener) {
helper = ExpressionHelper.removeListener(helper, listener);
}
@Override public Object getBean() {
return TextInputControl.this;
}
@Override public String getName() {
return "text";
}
private void fireValueChangedEvent() {
ExpressionHelper.fireValueChangedEvent(helper);
}
private void markInvalid() {
fireValueChangedEvent();
}
private void doSet(String value) {
// Guard against the null value.
textIsNull = value == null;
if (value == null) value = "";
// Update the content
content.delete(0, content.length(), value.isEmpty());
content.insert(0, value, true);
if (!doNotAdjustCaret) {
selectRange(0, 0);
textUpdated();
}
}
private class Listener implements InvalidationListener {
@Override
public void invalidated(Observable valueModel) {
// We now need to force it to be eagerly recomputed
// because we need to push these changes to the
// content model. Because changing the model ends
// up calling invalidate and markInvalid, the
// listeners will all be notified.
doSet(observable.getValue());
}
}
}
/***************************************************************************
* *
* Stylesheet Handling *
* *
**************************************************************************/
private static final PseudoClass PSEUDO_CLASS_READONLY
= PseudoClass.getPseudoClass("readonly");
/**
* @treatAsPrivate implementation detail
*/
private static class StyleableProperties {
private static final FontCssMetaData FONT =
new FontCssMetaData("-fx-font", Font.getDefault()) {
@Override
public boolean isSettable(TextInputControl n) {
return n.font == null || !n.font.isBound();
}
@Override
public StyleableProperty getStyleableProperty(TextInputControl n) {
return (StyleableProperty)n.fontProperty();
}
};
private static final List> STYLEABLES;
static {
final List> styleables =
new ArrayList>(Control.getClassCssMetaData());
styleables.add(FONT);
STYLEABLES = Collections.unmodifiableList(styleables);
}
}
/**
* @return The CssMetaData associated with this class, which may include the
* CssMetaData of its super classes.
* @since JavaFX 8.0
*/
public static List> getClassCssMetaData() {
return StyleableProperties.STYLEABLES;
}
/**
* {@inheritDoc}
* @since JavaFX 8.0
*/
@Override
public List> getControlCssMetaData() {
return getClassCssMetaData();
}
}