Fixed text annotation not showing and not working on mobile devices

shared/index.js

@@ -6322,13 +6322,15 @@ function startIndex(Y,_cm,_documentObject,_userid,_capabilities, _toolbarSetting
             var input=void 0;
             var pos = void 0;
             var _textSize=void 0;
-            var _textColor=void 0;/**
+            var _textColor=void 0;
+            var svg=void 0;
+            var rect=void 0;/**
             * Handle document.mouseup event
             *
             *
             * @param {Event} e The DOM event to handle
             */function handleDocumentMouseup(e){ // betrifft textbox
-                if(input||!(0,_utils.findSVGAtPoint)(e.clientX,e.clientY)){
+                if(input||!(svg=(0,_utils.findSVGAtPoint)(e.clientX,e.clientY))){
                     return;
                 } 
                 let scrollTop = window.pageYOffset;
@@ -6345,10 +6347,14 @@ function startIndex(Y,_cm,_documentObject,_userid,_capabilities, _toolbarSetting
                 input.addEventListener('keyup',handleInputKeyup);
                 document.body.appendChild(input);
                 input.focus();
+                rect=svg.getBoundingClientRect();
                 pos = {x: e.clientX, y: e.clientY };
-            }/**
+            }
+            /**
             * Handle input.blur event
-            */function handleInputBlur(){saveText();}/**
+            */function handleInputBlur(){
+                saveText();
+            }/**
             * Handle input.keyup event
             *
             * @param {Event} e The DOM event to handle
@@ -6360,14 +6366,14 @@ function startIndex(Y,_cm,_documentObject,_userid,_capabilities, _toolbarSetting
                         var clientX=parseInt(pos.x,10);
                         //text size additional to y to render the text right under the mouse click
                         var clientY=parseInt(pos.y,10);
-                        var svg=(0,_utils.findSVGAtPoint)(clientX,clientY);
+                        //var svg=(0,_utils.findSVGAtPoint)(clientX,clientY);
                         if(!svg){
                             return{v:void 0};
                         }
                         var _getMetadata=(0,_utils.getMetadata)(svg);
                         var documentId=_getMetadata.documentId;
                         var pageNumber=_getMetadata.pageNumber;
-                        var rect=svg.getBoundingClientRect();
+                        
                         var annotation=Object.assign({type:'textbox',size:_textSize,color:_textColor,content:input.value.trim()},(0,_utils.scaleDown)(svg,{x:(0,_utils.roundDigits)(clientX-rect.left,4),y:(0,_utils.roundDigits)(clientY-rect.top,4),width:(0,_utils.roundDigits)(input.offsetWidth,4),height:(0,_utils.roundDigits)(input.offsetHeight,4)}));
                         _PDFJSAnnotate2.default.getStoreAdapter().addAnnotation(documentId,pageNumber,annotation)
                                 .then(function(annotation){
@@ -6394,9 +6400,22 @@ function startIndex(Y,_cm,_documentObject,_userid,_capabilities, _toolbarSetting
             * @param {String} textColor The color of the text
             */function setText(){var textSize=arguments.length<=0||arguments[0]===undefined?12:arguments[0];var textColor=arguments.length<=1||arguments[1]===undefined?'000000':arguments[1];_textSize=parseInt(textSize,10);_textColor=textColor;}/**
             * Enable text behavior
-            */function enableText(){if(_enabled){return;}_enabled=true;document.getElementById('content-wrapper').classList.add('cursor-text');document.addEventListener('mouseup',handleDocumentMouseup);}/**
+            */function enableText(){
+                if(_enabled){
+                    return;
+                }
+                _enabled=true;
+                document.getElementById('content-wrapper').classList.add('cursor-text');
+                document.addEventListener('mouseup',handleDocumentMouseup);
+            }/**
             * Disable text behavior
-            */function disableText(){if(!_enabled){return;}_enabled=false;document.getElementById('content-wrapper').classList.remove('cursor-text');document.removeEventListener('mouseup',handleDocumentMouseup);}
+            */function disableText(){
+                if(!_enabled){return;
+                }
+                _enabled=false;
+                document.getElementById('content-wrapper').classList.remove('cursor-text');
+                document.removeEventListener('mouseup',handleDocumentMouseup);
+            }
     /***/},
     /* 34 */
     /***/function(module,exports,__webpack_require__){

styles.css

@@ -870,3 +870,8 @@ header, section, footer, aside, nav, main, article, figure {
 .path-mod-pdfannotator .pdfannotator-statistic #chart-container {
     min-height: 500px;
 }
+
+.toolbaritem .pdfannotator_text {
+    display: inline-block;
+    visibility: visible;
+}
\ No newline at end of file

templates/index.mustache

@@ -16,7 +16,7 @@
 
                 {{#usestudenttextbox}}
                     <span class="toolbaritem">
-                        <button class="text" type="button" title="{{# str }} text, pdfannotator {{/ str }}" data-tooltype="text">{{# pix }}text_color_picker,pdfannotator, {{# str }} text, pdfannotator {{/ str }} {{/ pix}}</button>
+                        <button class="pdfannotator_text text" type="button" title="{{# str }} text, pdfannotator {{/ str }}" data-tooltype="text">{{# pix }}text_color_picker,pdfannotator, {{# str }} text, pdfannotator {{/ str }} {{/ pix}}</button>
                         <select class="text-size"></select>
                         <div class="text-color"></div>
                     </span>

version.php

@@ -25,6 +25,6 @@
 defined('MOODLE_INTERNAL') || die();
 
 $plugin->component = 'mod_pdfannotator'; // Full name of the plugin (used for diagnostics).
-$plugin->version   = 2021030505; // The current module version (Date: YYYYMMDDXX).
+$plugin->version   = 2021031902; // The current module version (Date: YYYYMMDDXX).
 $plugin->release  = 'PDF Annotator v1.4 release 4';
 $plugin->requires  = 2016112900; // Requires this Moodle version.