HTML Editor with Java and And webkit - SWT Browser
i want to add WYSIWYG HTML editor to my Java program.
my idea is to do Something like this but not with python - with Java.i know about couple of options and their problems :
- HTMLEditorKit - not sophisticated enough.
- JWebpane - fairy tale.
- QtWebKit - not open source.
- JWebEngine - not open source.
- metaphaseeditor - to simple.
- The Lobo Project - not support the contenteditable attribute.
- JavaXPCOM - I don't Succeed to operate it on my mac OS X 10.6. Anyway, I just prefer not to use it because Gecko is slower then webkit.
That's way I chose to work with Browser Object from org.eclipse.swt.browser Package.
For now, I have the code below:
The code, first create a instance of the browser object. After this it's load HTML page withcontenteditable='true' attributes on the body tag.
If its load a page its supposed to add contenteditable='true' attributes to the body tag, and when its save the page it's supposed remove it.
My questions are:
- How do I grab the edited HTML code?
- How do I know were the cursor is step on?
- How do I know if so开发者_StackOverflowme text is highlighted?
Or, in general :
- How do I build a word possessor with Browser Object and ontenteditable='true' attributes?
- is it possible?
- is this the right way for WYSIWYG HTML editor in Java?
- Any Examples out there? I already check the SWT Snippets - doesn't help much.
Thanks a lot.
import org.eclipse.swt.SWT;
import org.eclipse.swt.SWTError;
import org.eclipse.swt.browser.Browser;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class editor {
public static void main(String [] args) {
String html = "<html><title>Editor</title>"
+ "<body contenteditable='true'>"
+ " <h2>All the Page is ditable!!!!!</h2>"
+ "<p>Heres a typical paragraph element</p>"
+ "<ol><li>and now a list</li>"
+ "<li>with only</li>"
+ "<li>three items</li>"
+ "</ol></body></html>";
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
final Browser browser;
try {
browser = new Browser(shell, SWT.BORDER);
}
catch (SWTError e) {
System.out.println(e.getMessage());
display.dispose();
return;
}
Composite comp = new Composite(shell, SWT.NONE);
comp.setLayout(new FillLayout(SWT.ALL));
browser.setText(html);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}
The DJ Native Swing project has several HTML editors, implemented using the SWT Browser (this is an implementation detail): http://djproject.sourceforge.net/ns
I like it that you asked some very specific questions! Good job brainstorming before you get your hands dirty.
Fortunately, there's a fairly generic solution to your problem: just run JavaScript in the browser.
For instance:
Browser browser = new Browser(parent, SWT.NONE);
// Just to be sure we can use JavaScript
browser.setJavascriptEnabled(true);
boolean result = browser.execute("alert('Hello SWT!')");
if (result) {
System.out.println("script executed");
} else {
System.err.println("script failed to execute");
}
Of course you might want to send data from the browser back to SWT; in this case you might end up in the worst case having to parse browser.getText(). I'm not sure if there's a better way of doing this.
Thy this one tinymc: http://tinymce.moxiecode.com/ It's well documented and you can integrate it into almost any existing code as it has a nice interface and lots of plugins.
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