diff options
Diffstat (limited to 'pdf-as-web/src/main/webapp/assets/js/pdf.js/web/app.js')
| -rw-r--r-- | pdf-as-web/src/main/webapp/assets/js/pdf.js/web/app.js | 265 |
1 files changed, 202 insertions, 63 deletions
diff --git a/pdf-as-web/src/main/webapp/assets/js/pdf.js/web/app.js b/pdf-as-web/src/main/webapp/assets/js/pdf.js/web/app.js index be33e35d..5e286df8 100644 --- a/pdf-as-web/src/main/webapp/assets/js/pdf.js/web/app.js +++ b/pdf-as-web/src/main/webapp/assets/js/pdf.js/web/app.js @@ -3,6 +3,123 @@ // var global_status = new statusObject(); +/* + * Convert touch to mouse + */ + +/* + * picked from http://stackoverflow.com/questions/5186441/javascript-drag-and-drop-for-touch-devices + * + */ +function touchHandler(event) +{ + // trick to add support for touch event to elements/widgets that do not support it + // by convetting convert touchevents into mouseevents + + // only apply this trick to ui-draggable elements + if ( ! $(event.target).hasClass('ui-draggable') ) { + return; + } + + var touches = event.changedTouches, + first = touches[0], + type = ""; + + switch(event.type) { + case "touchstart": type = "mousedown"; break; + case "touchmove": type="mousemove"; break; + case "touchend": type="mouseup"; break; + default: return; + } + + // convert touchevents into mouseevents + var simulatedEvent = document.createEvent("MouseEvent"); + simulatedEvent.initMouseEvent(type, true, true, window, 1, + first.screenX, first.screenY, + first.clientX, first.clientY, false, + false, false, false, 0/*left*/, null); + + first.target.dispatchEvent(simulatedEvent); + event.preventDefault(); +} + +function init() { + console.log("init touchconverter"); + if (Modernizr.touch){ + // faster links for touch devices + // by wiring directly touchend event as if it was a click (and disabling click handler) + var links = document.getElementsByTagName("a"); + for (var i=0; i < links.length; i++) { + var link = links[i]; + if ( link.href !== undefined && link.href !== '') { + link.addEventListener("click", function(e) { + e.preventDefault(); + }); + link.addEventListener("touchend", function() { + document.location = this.href; + }); + } + }; + + // listen to touch events and provide support to them where needed + document.addEventListener("touchstart", touchHandler, true); + document.addEventListener("touchmove", touchHandler, true); + document.addEventListener("touchend", touchHandler, true); + document.addEventListener("touchcancel", touchHandler, true); + } +} + +$(document).ready(function(){ + + init(); // initialize the touch converter + window.lang = new Lang('en'); // set default language + window.lang.dynamic('th', 'en.json'); // define language pack to load dynamically + + // check the language of the webapp , WEBAPP ONLY + + var webapp_language = window.parent.default_language; + console.log("parent default lang: " + webapp_language); + + switchLanguage(webapp_language); + + $("#placeContinue").bind("click", function(evt) { + + $(window.parent.document).find("#SignStepButton").click(); + }); + + $("#BackBox").on("click", function(evt){ + + window.parent.GoBack(); + }); + + $("#PlaceOnNewPage").on("click", function(evt) { + + $("#delSignature").click(); + console.log("setting placeonnewpage from " + window.parent.place_on_new_page); + window.parent.place_on_new_page = true; + console.log("to " + window.parent.place_on_new_page); + $(window.parent.document).find("#SignStepButton").click(); + + }); + +}); + +function switchLanguage(language) +{ + switch(language) + { + case "en": + window.lang.change("en"); + break; + case "de": + window.lang.change("th"); + break; + default: + console.log("The viewer does not support the language '" + language + "'"); + break; + } +} + // //statusObject Definition // @@ -145,12 +262,29 @@ function registerSignaturePlacementEventHandlers() { //is in the DOM tree. If thats true, we can restore the signature on that page. // document.addEventListener('pagerendered', function(evt) { + var page; if(!isSignatureInDomTree() && isSignaturePlaced()) { - var page = global_status.getSignature().page; + page = global_status.getSignature().page; if(isPageInDomTree(page)) { placeSignature(null, page, global_status.getSignature().sig[0].outerHTML); } + } + page = global_status.getSignature().page; + // every time when a page is rendered we have to make the children clickthrough + console.log("page is rendered: " + page); + // disabled pointer events on given page + $("#pageContainer" + page + " .textLayer").children().css("pointer-events", "none"); + $("#pageContainer" + page + " .annotationLayer").children().css("pointer-events", "none"); + + // resize img signature to adapt to a resized window + var current_scale = PDFViewerApplication.pdfViewer.currentScale; + var sig_size = Math.floor(96 * current_scale); + console.log("Signature resizing: " + sig_size); + var image_source = global_status.applicationContext + "/visblock?r=" + sig_size.toString(); + + $("#img_signature").attr("src", image_source); + }); } @@ -201,32 +335,26 @@ function placeSignature(evt, page_to_place, s) { var left_pos; var top_pos; - - //console.log("last left: " + last_left + " last top: " + last_top); - + if(typeof last_left != 'undefined') { - //console.log("not undefined"); left_pos = last_left; top_pos = last_top; } else // otherwise set default position { - //console.log("first time set left and top"); left_pos = "30%"; top_pos = "20%"; } - var image_width = "30%"; - var image_height = "9%"; - - var current_scale = PDFViewerApplication.pdfViewer.currentScale; var sig_size = Math.floor(96 * current_scale); - //var image_source = global_status.applicationContext + "/visblock?r=" + sig_size.toString(); - var image_source = '../../../img/signature.png'; + //sig_size = 300; + console.log("Signature resolution: " + sig_size); + var image_source = global_status.applicationContext + "/visblock?r=" + sig_size.toString(); var defaultSignature = "<img src='" + image_source + "' alt='Signature' id='img_signature' class='cl_signature' draggable='true' style='position: absolute; z-index:4; " + - "cursor:move; left:" + left_pos + "; top:" + top_pos + "; width:" + image_width + "; height:" + image_height + ";'>"; + "cursor:move; left:" + left_pos + "; top:" + top_pos + ";'>"; + if (typeof page_to_place === 'undefined') { page_to_place = PDFView.page;} if (typeof s === 'undefined') { s = defaultSignature} @@ -241,12 +369,56 @@ function placeSignature(evt, page_to_place, s) { posy: (s === defaultSignature) ? "0" : global_status.getSignature().posy, sig: $(".cl_signature") }); - updateSignaturePosition(global_status.getSignature(), null, null, false); + updateSignaturePosition(global_status.getSignature()); makeSignatureDraggable(global_status.getSignature()); + $("#img_signature").on("mousedown", function(evt) { + evt.stopPropagation(); + }); + + $("#img_signature").on("mousedown", function(evt){ + + if($(this).closest(".textLayer").children().css("pointer-events") !== "none" && + $(this).closest(".annotationLayer").children().css("pointer-events") !== "none") + { + $(this).closest(".textLayer").children().css("pointer-events", "none"); + $(this).closest(".annotationLayer").children().css("pointer-events", "none"); + + return; + } + + }); + + $(".page").on("mousedown", function(evt){ + + // check if there is already pointerevents: none on all page children, if not -> apply + + if($(this).find(".textLayer").children().css("pointer-events") !== "none" && + $(this).find(".annotationLayer").children().css("pointer-events") !== "none") + { + $(this).find(".textLayer").children().css("pointer-events", "none"); + $(this).find(".annotationLayer").children().css("pointer-events", "none"); + return; + } + + if($(this).find("#img_signature").length) + { + + // let the signature jump to the event position + $("#img_signature").css("left", evt.offsetX + "px"); + $("#img_signature").css("top", evt.offsetY + "px"); + + // update position + updateSignaturePosition(global_status.getSignature()); + + // start dragging signature + $("#img_signature").trigger(evt); + + } + }); + $("#pageFitOption").click(); $("#scaleSelect").change(); -//console.log("left: " + $("#img_signature").css("left") + " top: " + $("#img_signature").css("top")); } @@ -258,21 +430,20 @@ function placeSignature(evt, page_to_place, s) { function makeSignatureDraggable(signature) { signature.sig.draggable({ drag: function() { - console.log("drag"); - updateSignaturePosition(signature, null, null, false) + updateSignaturePosition(signature) }, containment: "parent" }); - $("#img_signature").on("touchmove", function(e) { - console.log("signature touchmove... x: " + e.originalEvent.touches[0].pageX + " y: " +e.originalEvent.touches[0].pageY); - updateSignaturePosition(signature, e.originalEvent.touches[0].pageX, e.originalEvent.touches[0].pageY, true); - - }); - $(window).on("touchmove", function(e) { - console.log("preventing default!"); - e.preventDefault(); + + // only if we are on the page we prevent the default scroll + var target = e.target; + + if($(target).hasClass("textLayer") || $(target).parents('.left').length || $(target).parents('.page').length) + { + e.preventDefault(); + } }); $("#img_signature").on("contextmenu", function(e) { @@ -285,7 +456,7 @@ function makeSignatureDraggable(signature) { //The position is is saved in the html attributes 'data-pos-x' and 'data-pos-y' of the //signature element. // -function updateSignaturePosition(signature, xpos, ypos, mobile) { +function updateSignaturePosition(signature) { var page = signature.page; var canvas_height = $("#page" + page.toString()).attr("height"); var current_scale = PDFViewerApplication.pdfViewer.currentScale; @@ -293,45 +464,13 @@ function updateSignaturePosition(signature, xpos, ypos, mobile) { var x; var y; - var mobile_x_offset = -parseInt($("#img_signature").css("width")) / 1.5; - var mobile_y_offset = -parseInt($("#img_signature").css("height")); - - //console.log("canvas-height: " + parseInt(canvas_height)); - if(mobile) - { - - x = xpos; - y = ypos;// (parseInt(canvas_height) - ypos); - //console.log("changing x: " + x + " y: "+ y); - } - else - { - x = thisPos.left; - y = thisPos.top; - } - - if(mobile) - { - signature.posx = (x + mobile_x_offset).toString(); - signature.posy = (y + mobile_y_offset).toString(); - } - else - { - signature.posx = Math.floor(x / current_scale / (4.0/3.0)).toString(); - signature.posy = Math.floor((parseInt(canvas_height) - (y)) / current_scale / (4.0/3.0)).toString(); - } - - + x = thisPos.left; + y = thisPos.top; - - if(mobile) - { - $("#img_signature").css("left", signature.posx + "px"); - $("#img_signature").css("top", signature.posy + "px"); - } - - console.log("signature. posx: " + signature.posx + " posy: " + signature.posy); + signature.posx = Math.floor(x / current_scale / (4.0/3.0)).toString(); + signature.posy = Math.floor((parseInt(canvas_height) - (y)) / current_scale / (4.0/3.0)).toString(); + //console.log("last x: last y: " + $("#img_signature").css("left") + " " + $("#img_signature").css("top")); |