<%--

    Copyright (C) 2000 - 2024 Silverpeas

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.

    As a special exception to the terms and conditions of version 3.0 of
    the GPL, you may redistribute this Program in connection with Free/Libre
    Open Source Software ("FLOSS") applications as described in Silverpeas's
    FLOSS exception.  You should have received a copy of the text describing
    the FLOSS exception, and it is also available here:
    "http://www.silverpeas.org/docs/core/legal/floss_exception.html"

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.

--%>
<%@page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>

<%@ taglib prefix="c" uri="jakarta.tags.core" %>
<%@ taglib prefix="fn" uri="jakarta.tags.functions" %>
<%@ taglib uri="jakarta.tags.fmt" prefix="fmt" %>
<%@ taglib uri="silverpeas.tags.viewGenerator" prefix="view"%>

<%
  response.setHeader("Cache-Control", "no-store"); //HTTP 1.1
  response.setHeader("Pragma", "no-cache"); //HTTP 1.0
  response.setDateHeader("Expires", -1); //prevents caching at the proxy server
%>

<fmt:setLocale value="${sessionScope['SilverSessionController'].favoriteLanguage}" />
<view:setBundle basename="org.silverpeas.kmelia.multilang.kmeliaBundle"/>
<view:setBundle basename="org.silverpeas.pdcPeas.multilang.pdcBundle" var="pdcBundle"/>
<fmt:message key="GML.validate" var="done"/>
<fmt:message key="kmelia.publiClassification" var="classification"/>
<c:set var="importedPublications" value="${requestScope['PublicationsDetails']}"/>
<c:set var="nbPublication" value="${requestScope['NbPublication']}"/>
<c:set var="nbFiles" value="${requestScope['NbFiles']}"/>
<c:set var="message" value="${requestScope['Message']}"/>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
    <title><c:out value="${classification}"/></title>
    <view:looknfeel withFieldsetStyle="true"/>
    <script type="text/javascript" src="<c:url value='/util/javaScript/silverpeas-pdc-widgets.js'/>"></script>
    <script type="text/javascript">
      //<![CDATA[
      var classifications = []; // will store the classification of all the imported publications
      var modified = false; // indicates if the classification of at least one publication is modified
      
      /**
       * Translations
       */
      var positionErrorMessage  = "<fmt:message key='kmelia.thePublication'/> <fmt:message key='pdcPeas.MustContainsMandatoryAxis' bundle='${pdcBundle}'/>";
      var mandatoryAxisText     = "<fmt:message key='GML.selectAValue'/>";
      var mandatoryAxisLegend   = "<fmt:message key='GML.requiredField'/>";
      var invariantAxisLegend   = "<fmt:message key='pdcPeas.notVariants' bundle='${pdcBundle}'/>";
      var labelOk               = "<fmt:message key='GML.validate'/>";
      var labelCancel           = "<fmt:message key='GML.cancel'/>";
      var labelPosition         = "<fmt:message key='pdcPeas.position' bundle='${pdcBundle}'/>";
      var labelPositions        = "<fmt:message key='pdcPeas.positions' bundle='${pdcBundle}'/>";
      var titleUpdate           = "<fmt:message key='GML.modify'/>";
      var titleAddition         = "<fmt:message key='GML.PDCNewPosition'/>";
      var titleDeletion         = "<fmt:message key='GML.PDCDeletePosition'/>";
      var deletionConfirmText   = "<fmt:message key='pdcPeas.confirmDeletePosition' bundle='${pdcBundle}'/>";
      var globalPubliModifTitle = "<fmt:message key='kmelia.classificationModificationForAllPublications'/>";
      var alreadyExistingPositionError = "<fmt:message key='pdcPeas.positionAlreadyExist' bundle='${pdcBundle}'/>";
  <c:choose>
    <c:when test="${fn:length(importedPublications) > 1}">
      var classificationTitle   = "<fmt:message key='kmelia.classifyYourPublications'/>";
      var validationText        = "<fmt:message key='kmelia.validateClassificationForAllPublications'/>";
      var globalModifText       = "<fmt:message key='kmelia.modifyClassificationForAllPublications'/>";
      var modificationText      = "<fmt:message key='kmelia.modifyClassificationForEachPublication'/>";
      var publiModifTitle       = "<fmt:message key='kmelia.classificationModificationForEachPublication'/>";
    </c:when>
    <c:otherwise>
      var classificationTitle   = "<fmt:message key='kmelia.classifyYourPublication'/>";
      var validationText        = "<fmt:message key='kmelia.validateClassificationOfThePublication'/>";
      var modificationText      = "<fmt:message key='kmelia.modifyClassificationOfThePublication'/>";
      var publiModifTitle       = "<fmt:message key='kmelia.classificationModificationOfThePublication'/>";
    </c:otherwise>
  </c:choose>
      
      /**
       * Informs the classification of one of the imported publications is modified.
       * In this case, all others choices than the current selected one are disabled in order to
       * ensure the coherence.
       */
      function setModified() {
        if (!modified) {
          modified = true;
          $('.field input:radio').not(':checked').attr('disabled', true);
        }
      }
      
      /**
       * Loads recursively the classification on the PdC of the publications between startIndex and
       * endIndex in the array of the imported publications.
       * Once the classifications of the specified publications loaded, invokes the function
       * loadingComplete to perform additionnal tasks requiring the loaded classifications.
       */
      function loadPublicationsClassification(publications, startIndex, endIndex, loadingComplete) {
        loadClassification(publications[startIndex], function(classification) {
          classifications.push(classification);
          if (endIndex > startIndex) {
            loadPublicationsClassification(publications, startIndex + 1, endIndex, loadingComplete);
          } else {
            loadingComplete();
          }
        }, function(classification, error) {
          notyError(error.message);
        })
      }
      
      /**
       * Renders the classifications on the PdC between the specified startIndex and endIndex indexes
       * of the array of loaded classifications. If startIndex and endIndex refers the same index,
       * then only the classification at this index is rendered.
       * The rendering is performed within the specified HTML element $elt.
       */
      function renderClassifications($elt, pdc, startIndex, endIndex) {
        var eltId = "classification-all";
        if (startIndex == endIndex)
          eltId = "classification-" + startIndex;
        
        $elt.pdcPositions({
          id        : eltId,
          title     : labelPositions,
          label     : labelPosition,
          update    : { title: titleUpdate },
          addition  : { title: titleAddition },
          deletion  : { title: titleDeletion },
          positions : classifications[startIndex].positions,
          onAddition: function($this) {
            $('#pdc-edition-box').pdcAxisValuesSelector({
              title              : titleAddition,
              positionError      : positionErrorMessage,
              mandatoryAxisText  : mandatoryAxisText,
              mandatoryAxisLegend: mandatoryAxisLegend,
              invariantAxisLegend: invariantAxisLegend,
              labelOk            : labelOk,
              labelCancel        : labelCancel,
              axis               : pdc.axis,
              multiValuation     : true,
              onValuesSelected   : function(positions) {
                if (areAlreadyInClassification(positions, classifications[startIndex])) {
                  notyError(alreadyExistingPositionError);
                } else {
                  addPositionsInClassifications($elt, positions, startIndex, endIndex);
                }
              }
            });
          },
          onDeletion: function(position) {
            deletePositionInClassifications($elt, position, startIndex, endIndex, startIndex == endIndex);
          },
          onUpdate  : function(position) {
            $('#pdc-edition-box').pdcAxisValuesSelector({
              title              : titleUpdate,
              positionError      : positionErrorMessage,
              mandatoryAxisText  : mandatoryAxisText,
              mandatoryAxisLegend: mandatoryAxisLegend,
              invariantAxisLegend: invariantAxisLegend,
              labelOk            : labelOk,
              labelCancel        : labelCancel,
              axis               : pdc.axis,
              values             : position.values,
              onValuesSelected   : function(positions) {
                if (isAlreadyInClassification(positions[0], classifications[startIndex]))
                  notyError(alreadyExistingPositionError);
                else
                  updatePositionInClassifications($elt, position, positions[0].values, startIndex, endIndex);
              }
            });
          }
        });
      }
      
      /**
       * Adds recursively the specified positions into the loaded classifications on the PdC between
       * startIndex and endIndex in the array of the imported publication's classifications.
       * If startIndex and endIndex refers the same index, then the positions are added only into the
       * classification at this index.
       * For each position added, the classification rendered within the HTML element $elt is refreshed.
       */
      function addPositionsInClassifications($elt, positions, startIndex, endIndex) {
        for(var i = 0; i < positions.length; i++) {
          var position = positions[i];
          postPosition(classifications[startIndex].uri, position, function(classification) {
            classifications[startIndex] = classification;
            setModified();
            if (endIndex > startIndex) {
              addPositionsInClassifications($elt, positions, startIndex + 1, endIndex);
            } else {
              $elt.pdcPositions('refresh', classifications[startIndex].positions);
            }
          });
        }
      }
      
      /**
       * Deletes recursively the specified position in the classifications on the PdC between
       * startIndex and endIndex in the array of the imported publication's classifications.
       * If startIndex and endIndex refers the same index, then the position is deleted only in the
       * classification at this index.
       * Once the position deleted, the classification rendered within the HTML element $elt is refreshed.
       * If the withConfirmation is defined and is true, then a confirmation message is displayed.
       * Otherwise, it is displayed only for the first classification (firstIndex = 0).
       */
      function deletePositionInClassifications($elt, position, startIndex, endIndex, withConfirmation) {
        var confirmation = null; 
        if (startIndex == 0 || withConfirmation)
          confirmation = deletionConfirmText;
        var positionToDelete = findPosition(position.values, classifications[startIndex].positions);
        deletePosition(classifications[startIndex].uri, positionToDelete.position, confirmation, function() {
          classifications[startIndex].positions.splice(positionToDelete.index, 1);
          setModified();
          if (endIndex > startIndex) {
            deletePositionInClassifications($elt, position, startIndex + 1, endIndex);
          } else {
            $elt.pdcPositions('refresh', classifications[startIndex].positions);
          }
        }, function(error) {
          if (error.status == 409 )
            notyError(positionErrorMessage);
          else
            notyError(error.message);
        });
      }
      
      /**
       * Updates recursively the specified position with the specified values in the classifications
       * on the PdC between startIndex and endIndex in the array of the imported publication's
       * classifications.
       * If startIndex and endIndex refers the same index, then the position is updated only in the
       * classification at this index.
       * Once the position updated, the classification rendered within the HTML element $elt is refreshed.
       */
      function updatePositionInClassifications($elt, position, newValues, startIndex, endIndex) {
        var location = findPosition(position.values, classifications[startIndex].positions);
        updatePosition(classifications[startIndex].uri, {
          uri: location.position.uri,
          id: location.position.id,
          values: newValues},
        function(classification) {
          classifications[startIndex] = classification;
          setModified();
          if (endIndex > startIndex) {
            updatePositionInClassifications($elt, position, newValues, startIndex + 1, endIndex);
          } else {
            $elt.pdcPositions('refresh', classifications[startIndex].positions);
          }
        });
      }
      
      /**
       * Closes this window and go back to the Kmelia main page with the topics.
       */
      function closeWindow() {
        window.opener.location.href="GoToCurrentTopic";
        window.close();
      }
      
      /**
       * Validates the predefined classification on the PdC for all of the imported publications.
       * This function has no side-effect if the classification on the PdC of one or more of the
       * imported publications were previously modified by one of the two others options; the
       * modified classifications on the PdC will be kept.
       */
      function validateDefaultClassificationForAllPublications() {
        $('#classification-modification').hide().children().remove();
      }
      
      /**
       * Modifies the default classifications on the PdC for all of the imported publications. They
       * will have the same classification on the PdC.
       */
      function modifyClassificationForAllPublications() {
        $('#classification-modification').hide().children().remove();
        // loads the PdC parameterized for the current component instance in order to classify the
        // imported publications
        loadPdC(uriOfPdC({
          context: '<c:out value="${requestScope['Context']}"/>',
          content: '<c:out value="${importedPublications[0].id}"/>',
          component: '<c:out value="${importedPublications[0].componentInstanceId}"/>'
        }), function(pdc) {
          // now renders the default classification for all imported publications
          $('<legend>').addClass('header').html(globalPubliModifTitle).
            appendTo($("#classification-modification").show());
          renderClassifications($("#classification-modification"), pdc, 0, classifications.length - 1);
        }, function(pdc, error) {
          notyError(error.message);
        })
      }
      
      /**
       * Modifies the default classifications on the PdC for each of the imported publications.
       * The user then can independently choose different positions on the PdC for each publication.
       */
      function modifyClassificationOfEachPublications() {
        $('#classification-modification').hide().children().remove();
        // loads the PdC parameterized for the current component instance in order to classify the
        // imported publications
        loadPdC(uriOfPdC({
          context: '<c:out value="${requestScope['Context']}"/>',
          content: '<c:out value="${importedPublications[0].id}"/>',
          component: '<c:out value="${importedPublications[0].componentInstanceId}"/>'
        }), function(pdc) {
          $('<legend>').addClass('header').html(publiModifTitle).
            appendTo($("#classification-modification").show());
          // now renders the default classification for each imported publications
      <c:forEach begin="0" end="${fn:length(importedPublications) - 1}" var="i">
            $('<div>', {id: "publi-<c:out value='${importedPublications[i].id}'/>"}).
              append($('<span>').addClass('header').html("<c:out value='${importedPublications[i].title}'/>")).
              appendTo($('#classification-modification'));
            renderClassifications($("#publi-<c:out value='${importedPublications[i].id}'/>"), pdc, <c:out value="${i}"/>, <c:out value="${i}"/>);
      </c:forEach>
          }, function(pdc, error) {
            notyError(error);
          })
        }
      
        /**
         * Once this HTML document ready, enrichs it with a set of radio buttons through which the user
         * can choose to validate or to modify the classification on the PdC of the imported
         * publications.
         * As the publications have been automatically classified through the import process,
         * their classification on the PdC is first loaded.
         */
        $(document).ready(function() {
          var okForAll = 0, modifyForAll = 1, modifyForEach = 2, publicationsURI = [];
          var selection = okForAll; // the default selected choice.
        
      <c:forEach items="${importedPublications}" var="publication">
          publicationsURI.push(uriOfPdCClassification({
            context: '<c:out value="${requestScope['Context']}"/>',
            content: '<c:out value="${publication.id}"/>',
            component: '<c:out value="${publication.componentInstanceId}"/>'
          }));
      </c:forEach>
      
          loadPublicationsClassification(publicationsURI, 0, publicationsURI.length - 1, function() {
            $('<legend>').html(classificationTitle).appendTo($('#default-classification'));
            $('#default-classification').pdcPositions({
              id        : 'default-list_pdc_position',
              title     : labelPositions,
              label     : labelPosition,
              update    : { activated: false },
              addition  : { activated: false },
              deletion  : { activated: false },
              positions : classifications[0].positions
            });
          
            var validation = $('<div>', {
              id: 'validation'
            }).addClass('field').append($('<input>', {
              type: 'radio', 
              name: 'validation', 
              value: okForAll, 
              checked: selection == okForAll
            })).
              append($('<span>', {id: 'okForAll'}).html(validationText));
            
        <c:if test="${fn:length(importedPublications) > 1}">
            validation.
              append($('<br>')).
              append($('<input>', {
              type: 'radio', 
              name: 'validation', 
              value: modifyForAll,
              checked: selection == modifyForAll
            })).
              append($('<span>', {id: 'modifyForAll'}).html(globalModifText));
        </c:if>
            
            validation.
              append($('<br>')).
              append($('<input>', {
              type: 'radio', 
              name: 'validation', 
              value: modifyForEach,
              checked: selection == modifyForEach
            })).
              append($('<span>', {id: 'modifyForEach'}).html(modificationText)).
              appendTo($('#default-classification'));
        
            $('#validation.field input:radio').change(function() {
              var userChoice = $('.field input:radio:checked').val();
              if (userChoice == okForAll) validateDefaultClassificationForAllPublications();
              else if (userChoice == modifyForAll) modifyClassificationForAllPublications();
              else modifyClassificationOfEachPublications();
            });
          });
        });
        //]]
    </script>
  </head>
  <body>
    <view:browseBar clickable="false" path="${classification}"/>
    <view:window browseBarVisible="true" popup="true">
      <view:frame>
		<c:choose>
          <c:when test="${message == null}">
            <div class="inlineMessage">
			  <c:choose>
                <c:when test="${fn:length(importedPublications) > 1}">
                  <fmt:message key="kmelia.importedPublicationCount">
                    <fmt:param value="${fn:length(importedPublications)}"/>
                  </fmt:message>
				</c:when>
				<c:otherwise>
				  <fmt:message key="kmelia.oneImportedPublicationCount"/>
				</c:otherwise>
              </c:choose>
			</div>
          </c:when>
          <c:otherwise>
            <div class="inlineMessage-nok">
			  <c:out value="${message}"/><br/>
			  <fmt:message key="kmelia.NbFiles"/> <c:out value="${nbFiles}"/><br/>
			  <fmt:message key="kmelia.NbPublications"/> <c:out value="${nbPublication}"/><br/>
			</div>
          </c:otherwise>
        </c:choose>
          
        
        <br clear="all"/>
        <div id="header">

          <fieldset id="default-classification" class="classification skinFieldset">
          </fieldset>

          <div id="pdc-edition-box" class="pdc-edition-box fields" style="display: none;">
          </div>

          <fieldset id="classification-modification" class="classification skinFieldset" style="display: none;">
          </fieldset>
        </div>

        <center>
          <view:buttonPane>
            <view:button label="${done}" action="javascript: closeWindow();"/>
          </view:buttonPane>
        </center>
      </view:frame>
    </view:window>
  </body>
</html>
