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    Default Open any type of file.

    Open any type of file.


    Hello. I need to open files from Extjs. I know I can use the window.open method but will it open *any* type of file like MS Word docs, and jpeg, and pdf etc? What should my approach be? thanks!!

    I am using Extjs 3 and servlets from Java code. I wanted to just return the file + file path and open it from Extjs.

    Oh, I need to open a pop-up. thank you

    I tried this:
    Code:
    new Ext.Window(
    {
          title: 'CMS File Preview',
          height: 400,
          width: 600,
           bodyCfg: {
                  tag: 'iframe',
                  src: '/Library/Tomcat/apache-tomcat-6.0.35/temp/uploads/env.sh',
                  style: 'border: 0 none'
           }
    }).show();
    but i get a 404 error but :

    Code:
    ls -l /Library/Tomcat/apache-tomcat-6.0.35/temp/uploads/env.sh
    -rw-r--r--  1  admin  504 Aug  8 09:05 /Library/Tomcat/apache-tomcat-6.0.35/temp/uploads/env.sh
    so the file exists


    I also tried this:

    Code:
    window.open('/Library/Tomcat/apache-tomcat-6.0.35/temp/uploads/env.sh');
    also not found.

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    Default


    This is usually handled by the browser plugins to open the supported documents.
    Most handle PDF, <image>.

    There is open document in browser of registered types. Search M$ KB

    As far as _any_ type, that is a tall order. The format has to be supported to be opened.
    ExtJS is not meant to be a JS document viewer.

    Scott.

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    so i'm just trying a text file. i have a servlet sending back the file with this :

    Code:
    response.setContentType( contentType );
    response.setHeader("Content-disposition", "attachment; filename=\"" + fileName + "\"");
    
    
    PrintWriter out = response.getWriter();
            
    FileInputStream fileToDownload = new FileInputStream(filePath);
            
    int c = 0;
    int totBytes = 0;
    while( (c=fileToDownload.read()) != -1 )
    {
                totBytes += c;
                out.write(c);
    }
            
            
    out.flush();
    out.close();
    fileToDownload.close();
    
    }

    and the response in :

    Code:
    Ext.Ajax.request(
                {
                    url: "/ctkb-spring/cmsFilePreview",
                    method: 'GET',
                    waitMsg: 'Getting File for Preview...',
                       success: function(response, opts)
                       {
                        //var obj = Ext.decode(response.responseText);
                          alert("success text = " + response.responseText.toSource()); 
    }
    });
    shows the file contents but how do i display it? thank you. i'm new. what do i do with the response in Extjs? (3)

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    Default


    You can display text in a window like:

    Code:
    Ext.onReady(function() {
    	myPanel = Ext.create('Ext.Panel', {
    		width: 300,
    		height: 100,
    		title: 'Title',
    		layout: 'vbox',
    		frame: true,
    		renderTo: Ext.getBody(),
    		items: [
    			{
    				xtype: 'button',
    				text: 'Click to open TEXT window',
    				handler: function(b, e) {
    					var myWin = Ext.create("Ext.window.Window", {
    						title: 'HTML Window',
    						modal: true,
    						html: '<iframe src="../../extjs4/license.txt" width="100%" height="100%" ></iframe>',
    						width: 700,
    						height: 500
    					});
    					myWin.show();
    				}
    			}
    		]
    	});
    });
    Scott.

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    Here is a goof reference for opening a PDF:
    http://ext4all.com/post/extjs-3-show-pdf-in-a-panel

    Scott.

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    My file is returned in the POST response from a call to a servlet's doGet(). How do I get it from the response in the button's handler and display it?

    The file is saved on the server, and I need to display it on the client, who has no knowledge of the server filesystem.

    Code:
    var previewButton = {
            text: 'Preview File',
            fieldLabel: fieldLabelStr,
            id: nameStr,
            xtype: 'button',
            target: '_blank',     // ??? trying these out
            hrefTarget: '_blank',
            handler: function (btn)
            {
                
                Ext.Ajax.request(
                {
                    url: "/filePreview",
                    method: 'GET',
                    waitMsg: 'Getting File for Preview...',
                       success: function(response, opts)
                       {
                        //var obj = Ext.decode(response.responseText);
                          alert("success text = " + response.responseText.toSource()); 
                          
                          alert("response headers = " + response.getAllResponseHeaders() );
                    }
    });
    
    }

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    The example in the link is awesome and clean, but how to I replace "src" property with what is returned by a POST call? (I posted that Java servlet code above)

    thank you

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    By the way: I keep reading all I have to do in the servlet is set the Content Disposition header to this and it will "pop up automatically" :

    Code:
    response.setHeader("Content-disposition", "attachment; filename=\"" + fileName + "\"");
    
    
    but nothing pops up in my POST Ext.Ajax.request ?? Which is why I'm stuck and asking. thanks

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    Correct ... you can send the header content like such: XLS example:

    Code:
    // sending headers to force the user to download the file
    header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
    header("Cache-Control: no-store, no-cache, must-revalidate");
    header("Cache-Control: post-check=0, pre-check=0", false);
    header("Pragma: no-cache");
    header('Content-Type: application/vnd.ms-excel');
    header('Content-Disposition: inline;attachment;filename="'.$filename.'.xls"');
    // open downloaded file
    Code:
    Ext.Ajax.request({
        method: 'POST',
        url: 'index.php/table_export/export_table/',
        success: function(xhr) {
            // clear mask and display
            grid_panel.getEl().unmask();
            window.open('xls/' + report_name + '.xls');
        },
        failure: function() {
            // clear mask
            grid_panel.getEl().unmask();
            alert('AJAX ERROR: Unable to export report, please contact support');
        }
    });
    Scott.

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    Thank you. Now I understand. I also found this to be helpful :
    http://www.cleancode.co.nz/blog/195/...-file-download

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