source: main/trunk/greenstone3/web/interfaces/default/transform/pages/webswing-phind.xsl@ 38945

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0"
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    xmlns:java="http://xml.apache.org/xslt/java"
    xmlns:util="xalan://org.greenstone.gsdl3.util.XSLTUtil"
    xmlns:gslib="http://www.greenstone.org/skinning"
    xmlns:gsf="http://www.greenstone.org/greenstone3/schema/ConfigFormat"   
    extension-element-prefixes="java util"
    exclude-result-prefixes="java util">

  <!-- This page, structurally speaking, is a hybrid of home.xsl and about.xsl -->
  <!-- Produces a general embedded Phind browser, given the library and collection -->
  
    <!-- use the 'main' layout -->
    <xsl:import href="layouts/main.xsl"/>

    <!-- what is this used for??? Can it be deleted? -->
    <xsl:variable name="groupPath"><xsl:value-of select="/page/pageRequest/paramList/param[@name='group']/@value"/></xsl:variable>

    <!-- set page title -->

    <xsl:template name="pageTitle">WebSwing Phind<!--<gslib:collectionName/><xsl:value-of select="/page/pageResponse/service/applet"/>--></xsl:template>


    <!-- set page breadcrumbs -->
    <xsl:template name="breadcrumbs">
      <xsl:choose>
        <xsl:when test="/page/pageRequest/paramList/param[@name='c']/@value != ''">
              <gslib:siteLink/>
              <gslib:rightArrow/>
          <xsl:if test="$groupPath != ''">
        <gslib:groupLinks/>
        <gslib:rightArrow/>
          </xsl:if>
          <a href="{$library_name}/collection/{$collName}/page/about">
        <gslib:collectionName/>
          </a>
        </xsl:when>
        <xsl:otherwise>
          <xsl:choose>
        <xsl:when test="$groupPath != ''">
          <a>
            <xsl:attribute name="href"><gslib:groupHref path="{$groupPath}"/></xsl:attribute>
            <xsl:attribute name="title"><gslib:groupName path="{$groupPath}"/></xsl:attribute>
            <gslib:groupName path="{$groupPath}"/>
          </a>
        </xsl:when>
        <xsl:otherwise>
          <gslib:siteLink/>
        </xsl:otherwise>
          </xsl:choose>
          
        </xsl:otherwise>
      </xsl:choose>
    </xsl:template>


    <!-- the page content -->
    <xsl:template match="/page">
  
        <xsl:choose>
            <xsl:when test="$this-element/displayItemList/displayItem[@name='icon']">
              <img border="0">
                <xsl:attribute name="src"><xsl:value-of select="$this-element/metadataList/metadata[@name='httpPath']"/>/images/<xsl:value-of select="$this-element/displayItemList/displayItem[@name='icon']"/></xsl:attribute>
                <xsl:attribute name="alt">
                  <xsl:value-of select="$this-element/displayItemList/displayItem[@name='name']"/>
                </xsl:attribute>
                <xsl:attribute name="title">
                  <xsl:value-of select="util:getInterfaceText($interface_name, /page/@lang, 'webswing_phindpage')"/>
                </xsl:attribute>
              </img>        
            </xsl:when>      
        </xsl:choose>   
  
        <!--Display the description text of the current collection,
        and if some services are available then create a list
        of links for each service within a <ul id="servicelist"> element.-->
        <xsl:call-template name="webswing-embed-phind"/>
    </xsl:template>
    
    <xsl:template name="webswing-embed-phind">
      <link rel="stylesheet" href="/webswing-server/css/style.css" />

      <div id="webswing-phind" class="webswing-element" data-webswing-instance="webswingInstance0" style="width: 500px; height: 500px;">
        <div id="loading" class="ws-modal-container">
              <div class="ws-login">
        <div  class="ws-login-content">
                  <div class="ws-spinner">
            <div class="ws-spinner-dot-1"><xsl:comment>filler</xsl:comment></div>
            <div class="ws-spinner-dot-2"><xsl:comment>filler</xsl:comment></div>
          </div>
        </div>
              </div>
        </div>
      </div>

      <gsf:script>
        // https://www.webswing.org/docs/23.2/configure/applet.html
        // https://www.webswing.org/docs/23.2/configure/swing.html
        // https://www.webswing.org/docs/23.2/integrate/javascript-api?_h=customArgs%2Cargs#usage-with-customization-and-options        
        // https://www.webswing.org/docs/23.2/integrate/embed.html
        // https://www.webswing.org/docs/20.1/integrate/urlparams.html
        // https://www.webswing.org/docs/23.2/integrate/urlparams.html
        // https://www.webswing.org/docs/20.1/integrate/customize.html
        // https://www.webswing.org/docs/2.7/integrate/embed.html
        
    var webswingInstance0 = {
        options: {
        autoStart: true,
    //appletParams: getParam('appletParams'),
    //appletParams: {"collection":"tudor", "library":"library"},
            connectionUrl:'/webswing-server/phind',

        customization: function(injector) {
        injector.services.base.handleActionEvent = function(actionName, data, binaryData) {
                //console.log("WebSwing actionEvent callback handler: called with actionName = " + actionName);

            if (actionName === "openURL") {
              var url = data;
          // check if a target tab/window name has been specified
          // TODO: Any better way of passing > 1 string between Java and JavaScript?
          var index = url.indexOf(" - ");
          if (index !== -1) {
             var target = url.substring(index+3); // skip past " - " to get target name
             url = url.substring(0, index);
             window.open(url, target);               
          } else {
             window.open(url, '_blank');
          }
        } else if (actionName == "javaToWebswingJSConsoleLog") {
            console.log("Got message from java:\n" + data);
        }
        
          }
            }

        
       }
       };

       
       // The applet jar files can just remain in web/applet where they are compiled up
       if(!webswingInstance0.options.args) {
       webswingInstance0.options.args="";       
       }

       var verbosity = 4;
       var appletEl = document.querySelector("applet");
       
       // Set to false if running the webswing instance as a webswing application. This has
       // nothing to do with if the applet element exists on the page: it can be on the page
       // and you can still decide to run GsdlCollage as a webswing application. If switching
       // between running as application and applet, remember to adjust webswing.config.in
       // If we do push the deprecated applet element onto the page, we can use it as a shim:
       // use JavaScript to read its params and pass them to webswing as configuration args.
       //
       var isWebswingRunAsApplet = true;
       
       
    if(!appletEl) {
       if(verbosity >= 4) {
          console.log("No applet element on page. Reading in from pageResponse/XSLT.");
       }
      
       //https://stackoverflow.com/questions/25203124/how-to-get-base-url-with-jquery-or-javascript
       // dynamic phind arguments
       var baseURL = window.location.origin+window.location.pathname;
       var collection = gs.cgiParams.c;
       var library = gs.xsltParams.library_name;

       // largely static phind arguments
       var phindcgi = "?a=a&amp;rt=r&amp;s=PhindApplet&amp;o=xml&amp;ro=1";
       var classifier = 1; // true or false
       var backdrop = "interfaces/default/images/phindbg1.jpg";
       var orientation = "vertical";
       var depth = 2;
       var resultorder = "L,l,E,e,D,d";
       var fontsize = 10;
       var blocksize = 10;
    }

       // If run as webswing application, we need an extra cmdline arg: the baseURL at the *start*
       // It is not of key-value form, just the baseURL by itself.
       if(!isWebswingRunAsApplet) {
          // webswingInstance0.options.args += "\"" + baseURL+ "?a=a&amp;rt=d&amp;s=PhindApplet&amp;c="+gs.cgiParams.c + "\"";       
      webswingInstance0.options.args += "\"" + baseURL + "\"";
       }

       webswingInstance0.options.args += " --collection " + collection;
       webswingInstance0.options.args += " --library " + library;


       // The more static params look like
       //--phindcgi \"?a=a&amp;rt=r&amp;s=PhindApplet&amp;o=xml&amp;ro=1\" --classifier 1 --backdrop interfaces/default/images/phindbg1.jpg --orientation vertical --depth 2 --resultorder \"L,l,E,e,D,d\" --fontsize 10 --blocksize 10
       webswingInstance0.options.args += " --phindcgi \"" + phindcgi + "\"";
       webswingInstance0.options.args += " --classifier " + classifier;
       webswingInstance0.options.args += " --backdrop \"" + backdrop + "\"";
       webswingInstance0.options.args += " --orientation " + orientation;
       webswingInstance0.options.args += " --depth " + depth;
       webswingInstance0.options.args += " --resultorder \"" + resultorder + "\"";
       webswingInstance0.options.args += " --fontsize " + fontsize;
       webswingInstance0.options.args += " --blocksize " + blocksize;   
       

       // When run as webswing applet (instead of as webswing application), the webswing var
       // customargs becomes assigned as the value of key "xtraParams" in webswing.config.in
       // and is a string of key-value pairs. And our Java code is able to successfully
       // receive these key-valye pairs in the form k1::v1;;k2::v2;; (URL form of key-value
       // pairs is not easy to pass in from JavaScript through webswing into Java).

       if(isWebswingRunAsApplet) {
          var xtraParams = webswingInstance0.options.args;
          var hyphens_index = xtraParams.indexOf("--");
          var spaceAfterKey = -1;
          while(hyphens_index >= 0) {
             // Locate start of value in each key-value pair
             spaceAfterKey = xtraParams.indexOf(" ", hyphens_index);
         if(spaceAfterKey >= 0) {
            // insert (splice in) the key-value internal separator,creating "key::value"
                xtraParams = [xtraParams.slice(0, spaceAfterKey), "::", xtraParams.slice(spaceAfterKey+1)].join('');
         }
         hyphens_index = xtraParams.indexOf("--", hyphens_index+2);
          }
          // now add separator *between* each key-value pairs with ;;
          xtraParams = xtraParams.replaceAll(" --", ";;");
          webswingInstance0.options.args = xtraParams.substring(2);
       }
       
       if(verbosity >= 4) {
          console.log("args: " +  webswingInstance0.options.args);
       }
       
       /*
       // Not yet working. Stick ${customArgs} at end of final param Value (BEFORE the closing double quote of the value) in webswing.config.in
       // The applet jar files can just remain in web/applet where they are compiled up
       if(!webswingInstance0.options.args) {
       webswingInstance0.options.args="";
       }
       if (gs.cgiParams.c) {       
       webswingInstance0.options.args += ", -Dwebswing.appletParam_collection=" + gs.cgiParams.c;
       }
       webswingInstance0.options.args += ", -Dwebswing.appletParam_library=";
       webswingInstance0.options.args+=(gs.xsltParams.library_name)?gs.xsltParams.library_name:"library";
       
       console.log("args: " +  webswingInstance0.options.args);
       */

       /*       
       if(!webswingInstance0.options.appletParams) {
       webswingInstance0.options.appletParams={};
       }       
       if (gs.cgiParams.c) {       
       webswingInstance0.options.appletParams["collection"] = gs.cgiParams.c;
       }       
       webswingInstance0.options.appletParams["library"] = (gs.xsltParams.library_name) ? gs.xsltParams.library_name : "library";
       */
       /*
       if(!webswingInstance0.options.appletParams) {
       webswingInstance0.options.appletParams="";
       }
       webswingInstance0.options.appletParams += "&amp;collection=tudor&amp;library=library";      
       console.log("Custom Args: " + JSON.stringify(webswingInstance0.options.appletParams));
       */
       
    function getParam(name) {
        name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
        var results = new RegExp("[\\?&amp;]" + name + "=([^&amp;#]*)").exec(location.href);
        return results == null ? null : decodeURIComponent(results[1]);
    }
  </gsf:script>

      
  <script data-webswing-global-var="webswing">
    <xsl:text disable-output-escaping="yes">
      var unloaded = false;
    (function (window, document) {
        var loader = function () {
            var baseUrl = '/webswing-server/phind';
            baseUrl = baseUrl.indexOf("/", baseUrl.length - 1) !== -1 ? baseUrl : (baseUrl + "/");
            var xmlhttp = new XMLHttpRequest();
            xmlhttp.onreadystatechange = function () {
                if (xmlhttp.readyState == XMLHttpRequest.DONE) {
                    var version = xmlhttp.status == 200 ? xmlhttp.responseText : "undefined";
                    var script = document.createElement("script"),
                        tag = document.getElementsByTagName("script")[0];
                    script.src = baseUrl + "javascript/webswing-embed.js?version=" + version;
                    tag.parentNode.insertBefore(script, tag);
                }
            };
            xmlhttp.open("GET", baseUrl + "rest/version", true);
            xmlhttp.send();
        };

    var navigatingAway = function () {
       if(verbosity >= 4) {
          console.log("*** navigatingAway called");
       }

       if(!unloaded) {

          if(typeof webswingInstance0.kill === 'function') { // it should exist
             if(verbosity >= 3) {
                console.log("@@@ Telling webswing to stop the collage application/applet");
         }
         webswingInstance0.kill();
         unloaded = true; // do not unload again, if multiple listeners call navigatingAway() callback function
         if(verbosity >= 4) {
            console.log("@@@@ unloaded");
         }
          } // else cannot call method that does not exist
       } else {
          if(verbosity >= 4) {   
             console.log("@@@@ already unloaded.");
          }
       }
      
    };

        window.addEventListener ? window.addEventListener("load", loader, false) : window.attachEvent("onload", loader);


    // When the user navigates away from this page or reloads it, we want to shutdown
    // the webswing Java application/applet. For more info, see layouts/webswing-collage.xsl

    window.addEventListener ? window.addEventListener("beforeunload", navigatingAway, false) : window.attachEvent("onbeforeunload", navigatingAway);
    window.addEventListener ? window.addEventListener("pagehide", navigatingAway, false) : window.attachEvent("onpagehide", navigatingAway);
    // Not visibilitychange: it's triggered even if the user minimises the browser window
    // don't want to kill Phind if the user only changed focus to another application.
    //window.addEventListener ? window.addEventListener("visibilitychange", navigatingAway, false) : window.attachEvent("onvisibilitychange", navigatingAway);

    })(window, document);
    </xsl:text>
  </script>



    </xsl:template>

</xsl:stylesheet>