RE: [platform-swt-dev] Capturing Drop events over browser widget

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RE: [platform-swt-dev] Capturing Drop events over browser widget

From: "AMaN AParT" <the_admiraal@xxxxxxxxxxx>
Date: Wed, 24 Aug 2005 06:28:21 +0000
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hi there,

sorry but I want to ask if you use that in java or c++, because I need toworking with the internet explorer activex in c++ (CDT) but I don't knowhow...can anyone help me in that plzzz???

<html><DIV></DIV><FONTcolor=#ff3333>------------- AMaN AParT</html>

<BLOCKQUOTE style='PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #A0C6E52px solid; MARGIN-RIGHT: 0px'><fontstyle='FONT-SIZE:11px;FONT-FAMILY:tahoma,sans-serif'><hr color=#A0C6E5size=1>From: "Lopez, Edwin R"<edwin.r.lopez@xxxxxxxxxxx> Reply-To: "EclipsePlatform SWT component developers list."<platform-swt-dev@xxxxxxxxxxx> To: "swt"<platform-swt-dev@xxxxxxxxxxx> Subject: [platform-swt-dev]Capturing Drop events over browser widget Date: Tue, 23 Aug 200516:05:03 -0600 

<br>
<html><head>
<meta http-equiv=Content-Type content="text/html; charset=windows-1252">
<meta name=Generator content="Microsoft SafeHTML">


<style>
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<body bgcolor="#edf3ed">
<div><font face=Arial size=2>Hello,</font></div>
<div><font face=Arial size=2></font> </div>
<div><font face=Arial size=2>I'm trying to capture the drop (FileTransfer)
event in a browser widget. I tried hooking a <strong>DropTarget</strong>(
) to the <font face="Courier New">*.swt.browser</font> widget with no
success. Then I tried to go the Ole way and create a
<strong>Shell.Explorer</strong> site automation and try to hook the

DropTarget( ) to both the OleFrame and OleControlSite with no success. (yeah, I'm kind ofhacking

it)</font></div>
<div><font face=Arial size=2></font> </div>

<div>I have the feeling that I need to enablesomething

in the Ole control and use some sort of OleListener.. but I can't find clear
documentation of how get deep down in the API and capture drag/drop
events.</font></div>
<div><font face=Arial size=2></font> </div>
<div><font face=Arial size=2>Have anyone done anything in this
area?</font></div>
<div><font face=Arial size=2></font> </div>

<div>Any input would be appreciated. Below is ashort

program  demostrating what I'm trying to do. <strong>Step D</strong> is the
one I'm having trouble with, getting the Drop listener to
work.</font></div>
<div><font face=Arial size=2></font> </div>
<div><font face=Arial size=2>Thank you,</font></div>
<div><font face=Arial size=2>-Edwin</font></div>
<div><font face=Arial size=2>
<hr>
</font></div>
<div><font face=Arial size=2></font> </div>
<div><font face=Arial size=2></font> </div>

<div dir=ltr><fontcolor="#0000ff">import org.eclipse.swt.*; <fontcolor="#0000ff">importorg.eclipse.swt.ole.win32.*; <fontcolor="#0000ff">importorg.eclipse.swt.internal.ole.win32.*; <fontcolor="#0000ff">importorg.eclipse.swt.widgets.*; <fontcolor="#0000ff">import

org.eclipse.swt.events.*;<br><font color="#0000ff">import</font>
org.eclipse.swt.dnd.*;</font></div>

<div dir=ltr> <fontcolor="#0000ff">public <fontcolor="#0000ff">classtest { </div>

<blockquote dir=ltr style="margin-right:0px">

<div><fontcolor="#0000ff">publicstatic <fontcolor="#0000ff">void

 main(String[] args) <br>{</font></div>
 <blockquote dir=ltr style="margin-right:0px">

<div> <fontface="Courier New">//a. Create Shell Displaydisplay = new<fontsize=2> Display(); Shell shell = <fontcolor="#0000ff">new

   Shell( display );<br>shell.setSize( 610, 400 );</font></div>

<div> <fontcolor="#008000">//b.Create Browser (the old way) OleFrame frame = <fontcolor="#0000ff">newOleFrame( shell, SWT.NONE ); OleControlSite site = <fontcolor="#0000ff">new OleControlSite( frame, SWT.NONE, <fontcolor="#ff0000">"Shell.Explorer"<fontsize=2> ); site.doVerb(OLE.OLEIVERB_INPLACEACTIVATE); OleAutomation browser = <fontcolor="#0000ff">newOleAutomation( site ); <fontface="Courier New">//c. Disable "linknavigation" and go

   to google<br></font><font color="#0000ff">int</font>[] nameIds =

browser.getIDsOfNames(new String[] { <fontcolor="#ff0000">"RegisterAsDropTarget"} );<fontcolor="#008000">//is this reallynecessary (I wonder)? browser.setProperty(nameIds[0], <fontcolor="#0000ff">new Variant(<fontcolor="#0000ff">false) ); //true or false --doesn't

   work</font></font></font></div>

<div><fontcolor="#008000"> nameIds = browser.getIDsOfNames( <fontcolor="#0000ff">new String[] { <fontcolor="#ff0000">"Navigate","URL"<fontsize=2>} ); browser.invoke( nameIds[0], <fontcolor="#0000ff">new Variant[] { newVariant(<fontcolor="#ff0000">"http://www.google.com"<fontsize=2>) }, newint[] {nameIds[1] } ); //d. Listen to drop events??? DropTarget target = <fontcolor="#0000ff">newDropTarget(frame, DND.DROP_COPY ); //<--helphere!!! target.setTransfer( <fontcolor="#0000ff">new

   Transfer[] { FileTransfer.getInstance() } );<br>target.addDropListener(

new<fontface="Courier New"> DropTargetListener() { public voiddragEnter(DropTargetEvent event) {

   System.out.println(<font color="#ff0000">&quot;drag
   enter&quot;</font></font></font><font size=2><font face="Courier New">);
   }<br><font color="#0000ff">        public</font>
   <font color="#0000ff">void</font> dragLeave(DropTargetEvent event) {
   System.out.println(<font color="#ff0000">&quot;drag

leave");} 

       public</font> <font color="#0000ff">void</font>

dragOver(DropTargetEvent event) { System.out.println(<fontcolor="#ff0000">"drag over"<fontface="Courier New">);} 

       public</font> <font color="#0000ff">void</font>

dragOperationChanged(DropTargetEvent event) { System.out.println(<fontcolor="#ff0000">"drag changed"<fontsize=2>);} 

       public</font> <font color="#0000ff">void</font>

dropAccept(DropTargetEvent event) { System.out.println(<fontcolor="#ff0000">"drag accept"<fontsize=2>);} public void<fontface="Courier New" size=2>

   drop(DropTargetEvent event) <br>        {
   <br>

String[] files = (String[]) event.data; <fontface="Courier New">//expects FileTransfer

   data<br></font><font color="#0000ff">

for (int<fontface="Courier New" size=2>

   p=0;p&lt;files.length; p++)<br>
           System.out.println( files[p]

); }/*drop*/ }); //e. Show window frame.setBounds( 0,0, 600, 400 ); shell.open(); while<fontsize=2> (!shell.isDisposed()) { <fontcolor="#0000ff">

   if</font></font></font><font size=2><font face="Courier New">
   (!display.readAndDispatch())<br>

display.sleep(); } <fontcolor="#008000">/*while*/</div><div> browser.dispose(); display.dispose();</div></blockquote><div dir=ltr>}<fontcolor="#008000">/*main*/</div><div dir=ltr style="margin-right:0px"> </div></blockquote><div dir=ltr>}<fontcolor="#008000">/*test*/

<br></font></div></body></html>

 _______________________________________________ platform-swt-devmailinglist platform-swt-dev@xxxxxxxxxxx https://dev.eclipse.org/mailman/listinfo/platform-swt-dev </BLOCKQUOTE>


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References:
- [platform-swt-dev] Capturing Drop events over browser widget
  - From: Lopez, Edwin R

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