Examples of org.apache.pivot.wtk.text.TextNode

org.apache.pivot.wtk.text.TextNode
Node representing a sequence of characters.

        private int x = 0;


        @Override
        public void run() {
            TextInput textInput = (TextInput)getComponent();
            TextNode textNode = textInput.getTextNode();


            int selectionStart = textInput.getSelectionStart();
            int selectionLength = textInput.getSelectionLength();


            if (x < 0) {
                // Add the previous character to the selection
                if (selectionStart > 0) {
                    selectionStart--;
                    selectionLength++;
                }
            } else {
                // Add the next character to the selection
                if (selectionStart + selectionLength < textNode.getCharacterCount()) {
                    selectionLength++;
                }
            }


            textInput.setSelection(selectionStart, selectionLength);

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        @Override
        protected void attach() {
            super.attach();


            TextNode textNode = (TextNode)getNode();
            textNode.getTextNodeListeners().add(this);
        }

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        @Override
        protected void detach() {
            super.detach();


            TextNode textNode = (TextNode)getNode();
            textNode.getTextNodeListeners().remove(this);
        }

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        }


        @Override
        public void validate() {
            if (!isValid()) {
                TextNode textNode = (TextNode)getNode();
                String text = textNode.getText();


                // Update the length value
                length = text.length() - start;


                // Calculate the size of the text

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            super.validate();
        }


        @Override
        public void paint(Graphics2D graphics) {
            TextNode textNode = (TextNode)getNode();
            String text = textNode.getText();


            // TODO Use a custom iterator so we don't have to copy the string
            text = text.substring(start, start + length);


            if (text.length() > 0) {

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            return next;
        }


        @Override
        public int getCharacterAt(int x, int y) {
            TextNode textNode = (TextNode)getNode();


            // TODO This isn't terribly efficient - either use a character
            // iterator or cache the generated string in TextNode#getText()
            String text = textNode.getText();


            // TODO Can we use a glyph vector for this? We could create the
            // vector when the view is created so we don't need to rebuild it
            // every time
            int offset;

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            return offset + start;
        }


        @Override
        public Bounds getCharacterBounds(int offset) {
            TextNode textNode = (TextNode)getNode();


            // TODO This isn't terribly efficient - either use a character
            // iterator or cache the generated string in TextNode#getText()
            String text = textNode.getText();
            GlyphVector glyphVector = font.createGlyphVector(fontRenderContext, text);


            Shape glyphVisualBounds = glyphVector.getGlyphVisualBounds(offset);
            Rectangle glyphBounds = glyphVisualBounds.getBounds();
            Bounds bounds = new Bounds(glyphBounds.x, 0, glyphBounds.width, getHeight());

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            invalidate();
        }


        @Override
        public String toString() {
            TextNode textNode = (TextNode)getNode();
            String text = textNode.getText();
            return text.substring(start, start + length);
        }

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    @Override
    public boolean mouseClick(Component component, Mouse.Button button, int x, int y, int count) {
        if (button == Mouse.Button.LEFT
            && count > 1) {
            TextInput textInput = (TextInput)getComponent();
            TextNode textNode = textInput.getTextNode();
            textInput.setSelection(0, textNode.getCharacterCount());
        }


        return super.mouseClick(component, button, x, y, count);
    }

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        // Ignore characters in the control range and the ASCII delete
        // character
        if (character > 0x1F
            && character != 0x7F) {
            TextInput textInput = (TextInput)getComponent();
            TextNode textNode = textInput.getTextNode();


            if (textNode.getCharacterCount() < textInput.getMaximumLength()) {
                int index = textInput.getSelectionStart();
                Validator validator = textInput.getValidator();


                if (validator != null
                    && strictValidation) {
                    StringBuilder buf = new StringBuilder(textNode.getText());
                    buf.insert(index, character);


                    if (validator.isValid(buf.toString())) {
                        textInput.insertText(character, index);
                    } else {

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