Example usage for org.eclipse.swt.custom StyledText replaceStyleRanges

Introduction

In this page you can find the example usage for org.eclipse.swt.custom StyledText replaceStyleRanges.

Prototype

public void replaceStyleRanges(int start, int length, StyleRange[] ranges) 

Source Link

Document

Replaces the styles in the given range with new styles.

Usage

From source file:ReplaceStyleRanges.java

License:asdf

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);

    final StyledText styledText = new StyledText(shell, SWT.V_SCROLL | SWT.BORDER);
    styledText.setText("asdfasdfasdfasdf12345678910234567890");

    StyleRange[] ranges = new StyleRange[2];
    ranges[0] = new StyleRange(0, 3, display.getSystemColor(SWT.COLOR_GREEN), null);
    ranges[1] = new StyleRange(3, 6, display.getSystemColor(SWT.COLOR_BLUE), null);

    styledText.setStyleRanges(ranges);/*from   w w w .  ja  v a 2  s  . c  om*/

    styledText.replaceStyleRanges(5, 9, ranges);

    styledText.setBounds(10, 10, 500, 100);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    display.dispose();
}

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From source file:SyntaxColoring.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);

    final StyledText styledText = new StyledText(shell, SWT.V_SCROLL | SWT.BORDER);

    final String PUNCTUATION = "(){}";
    styledText.addExtendedModifyListener(new ExtendedModifyListener() {
        public void modifyText(ExtendedModifyEvent event) {
            int end = event.start + event.length - 1;

            if (event.start <= end) {
                String text = styledText.getText(event.start, end);
                java.util.List ranges = new java.util.ArrayList();

                for (int i = 0, n = text.length(); i < n; i++) {
                    if (PUNCTUATION.indexOf(text.charAt(i)) > -1) {
                        ranges.add(new StyleRange(event.start + i, 1, display.getSystemColor(SWT.COLOR_BLUE),
                                null, SWT.BOLD));
                    }//w w w  .j  av  a2 s.co  m
                }
                if (!ranges.isEmpty()) {
                    styledText.replaceStyleRanges(event.start, event.length,
                            (StyleRange[]) ranges.toArray(new StyleRange[0]));
                }
            }
        }
    });

    styledText.setBounds(10, 10, 500, 100);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    display.dispose();
}

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From source file:SyntaxTest.java

/**
 * Creates the main window contents//ww  w  .  j  av  a2 s . co  m
 * 
 * @param shell the main window
 */
private void createContents(Shell shell) {
    shell.setLayout(new FillLayout());

    // Create the StyledText
    final StyledText styledText = new StyledText(shell, SWT.BORDER);

    // Add the syntax coloring handler
    styledText.addExtendedModifyListener(new ExtendedModifyListener() {
        public void modifyText(ExtendedModifyEvent event) {
            // Determine the ending offset
            int end = event.start + event.length - 1;

            // If they typed something, get it
            if (event.start <= end) {
                // Get the text
                String text = styledText.getText(event.start, end);

                // Create a collection to hold the StyleRanges
                java.util.List ranges = new java.util.ArrayList();

                // Turn any punctuation red
                for (int i = 0, n = text.length(); i < n; i++) {
                    if (PUNCTUATION.indexOf(text.charAt(i)) > -1) {
                        ranges.add(new StyleRange(event.start + i, 1, red, null, SWT.BOLD));
                    }
                }

                // If we have any ranges to set, set them
                if (!ranges.isEmpty()) {
                    styledText.replaceStyleRanges(event.start, event.length,
                            (StyleRange[]) ranges.toArray(new StyleRange[0]));
                }
            }
        }
    });
}

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From source file:StyleRangeTest.java

/**
 * Creates the main window contents//from   w w  w  .  j a  v  a 2s  .  c  o m
 * 
 * @param shell the main window
 */
private void createContents(Shell shell) {
    shell.setLayout(new FillLayout());

    // Create the StyledText
    StyledText styledText = new StyledText(shell, SWT.BORDER);

    // Set the text
    styledText.setText("Go Gators");

    /*
     * The multiple setStyleRange() method // Turn all of the text orange, with
     * the default background color styledText.setStyleRange(new StyleRange(0, 9,
     * orange, null));
     *  // Turn "Gators" blue styledText.setStyleRange(new StyleRange(3, 6, blue,
     * null));
     */

    /*
     * The setStyleRanges() method // Create the array to hold the StyleRanges
     * StyleRange[] ranges = new StyleRange[2];
     *  // Create the first StyleRange, making sure not to overlap. Include the
     * space. ranges[0] = new StyleRange(0, 3, orange, null);
     *  // Create the second StyleRange ranges[1] = new StyleRange(3, 6, blue,
     * null);
     *  // Replace all the StyleRanges for the StyledText
     * styledText.setStyleRanges(ranges);
     */

    /* The replaceStyleRanges() method */
    // Create the array to hold the StyleRanges
    StyleRange[] ranges = new StyleRange[2];

    // Create the first StyleRange, making sure not to overlap. Include the
    // space.
    ranges[0] = new StyleRange(0, 3, orange, null);

    // Create the second StyleRange
    ranges[1] = new StyleRange(3, 6, blue, null);

    // Replace only the StyleRanges in the affected area
    styledText.replaceStyleRanges(0, 9, ranges);
}

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