mirror of
https://github.com/paperless-ngx/paperless-ngx.git
synced 2026-10-07 08:37:13 +00:00
added document viewers on document change form for easier editing of metadata, supports pdf, png, jpg
This commit is contained in:
Jonas Winkler committed
1 parent
bdaea3915e
commit
d108a69f1b
8 files changed
+55737
No files matched your search
@@ -124,6 +124,15 @@ class DocumentAdmin(CommonAdmin):
|
||||
return obj.created.date().strftime("%Y-%m-%d")
|
||||
created_.short_description = "Created"
|
||||
|
||||
def change_view(self, request, object_id=None, form_url='', extra_context=None):
|
||||
extra_context = extra_context or {}
|
||||
doc = Document.objects.get(id=object_id)
|
||||
extra_context['download_url'] = doc.download_url
|
||||
extra_context['file_type'] = doc.file_type
|
||||
return super(DocumentAdmin, self).change_view(
|
||||
request, object_id, form_url, extra_context=extra_context,
|
||||
)
|
||||
|
||||
@mark_safe
|
||||
def thumbnail(self, obj):
|
||||
return self._html_tag(
|
||||
|
||||
Executable
+13922
File diff suppressed because it is too large.
Load diff
Executable
+1
@@ -0,0 +1 @@
|
||||
{"version":3,"sources":["webpack:///webpack/universalModuleDefinition","webpack:///webpack/bootstrap b5fe8ab6eb949fc98816","webpack:///src/shared/util.js","webpack:///src/display/dom_utils.js","webpack:///src/display/api.js","webpack:///src/display/annotation_layer.js","webpack:///src/display/svg.js","webpack:///src/display/text_layer.js","webpack:///src/display/metadata.js","webpack:///src/display/webgl.js","webpack:///src/display/global.js","webpack:///src/display/network.js","webpack:///external/streams/streams-lib.js","webpack:///src/display/canvas.js","webpack:///src/display/font_loader.js","webpack:///src/display/pattern_helper.js","webpack:///src/display/transport_stream.js","webpack:///src/pdf.js","webpack:///src/shared/compatibility.js","webpack:///src/shared/streams_polyfill.js"],"names":[],"mappings":";;;;;;;;;;;;;;;AAAA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,CAAC;AACD,O;ACVA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;;;AAGA;AACA;;AAEA;AACA;;AAEA;AACA,mDAA2C,cAAc;;AAEzD;AACA;AACA;AACA;AACA;AACA;AACA;AACA,aAAK;AACL;AACA;;AAEA;AACA;AACA;AACA,mCAA2B,0BAA0B,EAAE;AACvD,yCAAiC,eAAe;AAChD;AACA;AACA;;AAEA;AACA,8DAAsD,+DAA+D;;AAErH;AACA;;AAEA;AACA;;;;;;;;;;;;;;;;;ACjDO;;AACwB;;AAE/B,IAAI,cACD,OAAO,WAAW,eAAe,OAAO,SAAS,OAAQ,SAEzD,OAAO,WAAW,eAAe,OAAO,SAAS,OAAQ,SACzD,OAAO,SAAS,eAAe,KAAK,SAAS,OAAe;AAE/D,IAAI,uBAAuB,CAAC,OAAO,GAAG,GAAG,OAAO,GAAG;AAEnD,IAAM;AACJ,QAAM;AACN,UAAQ;AACR,WAAS;AAHiB;AAM5B,IAAI;AACF,QAAM;AACN,UAAQ;AACR,eAAa;AACb,aAAW;AACX,oBAAkB;AAClB,sBAAoB;AACpB,2BAAyB;AACzB,eAAa;AACb,oBAAkB;AAClB,oBAAkB;AAVI;AAaxB,IAAI;AACF,kBAAgB;AAChB,aAAW;AACX,cAAY;AAHE;AAMhB,IAAI;AACF,QAAM;AACN,QAAM;AACN,YAAU;AACV,QAAM;AACN,UAAQ;AACR,UAAQ;AACR,WAAS;AACT,YAAU;AACV,aAAW;AACX,aAAW;AACX,YAAU;AACV,aAAW;AACX,SAAO;AACP,SAAO;AACP,OAAK;AACL,SAAO;AACP,kBAAgB;AAChB,SAAO;AACP,SAAO;AACP,UAAQ;AACR,UAAQ;AACR,eAAa;AACb,WAAS;AACT,aAAW;AACX,UAAQ;AACR,UAAQ;AA1BW;AA6BrB,IAAI;AACF,aAAW;AACX,UAAQ;AACR,SAAO;AACP,UAAQ;AACR,YAAU;AACV,UAAQ;AACR,YAAU;AACV,UAAQ;AACR,gBAAc;AACd,kBAAgB;AAVG;AAarB,IAAI;AACF,YAAU;AACV,YAAU;AACV,YAAU;AACV,aAAW;AACX,YAAU;AACV,iBAAe;AACf,SAAO;AACP,cAAY;AACZ,SAAO;AACP,QAAM;AACN,QAAM;AACN,cAAY;AACZ,eAAa;AACb,mBAAiB;AACjB,eAAa;AACb,QAAM;AACN,YAAU;AACV,kBAAgB;AAChB,qBAAmB;AAnBK;AAsB1B,IAAI;AACF,SAAO;AACP,UAAQ;AACR,WAAS;AACT,SAAO;AACP,aAAW;AALmB;AAQhC,IAAI;AACF,WAAS;AACT,SAAO;AACP,OAAK;AACL,OAAK;AACL,OAAK;AACL,QAAM;AACN,OAAK;AACL,OAAK;AACL,OAAK;AACL,MAAI;AAVW;AAajB,IAAI;AACF,WAAS;AACT,SAAO;AACP,UAAQ;AACR,gBAAc;AACd,iBAAe;AACf,YAAU;AACV,gBAAc;AACd,SAAO;AACP,YAAU;AACV,SAAO;AACP,WAAS;AAXI;AAcf,IAAI;AACF,UAAQ;AACR,YAAU;AACV,SAAO;AAHc;AAMvB,IAAI;AACF,QAAM;AACN,UAAQ;AACR,UAAQ;AAHgB;AAO1B,IAAI;AAGF,cAAY;AACZ,gBAAc;AACd,cAAY;AACZ,eAAa;AACb,iBAAe;AACf,WAAS;AACT,sBAAoB;AACpB,eAAa;AACb,aAAW;AACX,QAAM;AACN,WAAS;AACT,aAAW;AACX,UAAQ;AACR,UAAQ;AACR,WAAS;AACT,YAAU;AACV,YAAU;AACV,aAAW;AACX,aAAW;AACX,UAAQ;AACR,eAAa;AACb,QAAM;AACN,UAAQ;AACR,cAAY;AACZ,gBAAc;AACd,mBAAiB;AACjB,qBAAmB;AACnB,WAAS;AACT,QAAM;AACN,UAAQ;AACR,aAAW;AACX,WAAS;AACT,kBAAgB;AAChB,kBAAgB;AAChB,aAAW;AACX,cAAY;AACZ,WAAS;AACT,wBAAsB;AACtB,eAAa;AACb,YAAU;AACV,sBAAoB;AACpB,iBAAe;AACf,YAAU;AACV,YAAU;AACV,kBAAgB;AAChB,oBAAkB;AAClB,8BAA4B;AAC5B,gBAAc;AACd,yBAAuB;AACvB,uBAAqB;AACrB,qBAAmB;AACnB,kBAAgB;AAChB,mBAAiB;AACjB,gBAAc;AACd,iBAAe;AACf,iBAAe;AACf,eAAa;AACb,qBAAmB;AACnB,mBAAiB;AACjB,sBAAoB;AACpB,oBAAkB;AAClB,eAAa;AACb,oBAAkB;AAClB,kBAAgB;AAChB,kBAAgB;AAChB,gBAAc;AACd,aAAW;AACX,kBAAgB;AAChB,sBAAoB;AACpB,2BAAyB;AACzB,oBAAkB;AAClB,eAAa;AACb,aAAW;AACX,yBAAuB;AACvB,uBAAqB;AACrB,cAAY;AACZ,YAAU;AACV,oBAAkB;AAClB,kBAAgB;AAChB,mBAAiB;AACjB,iBAAe;AACf,oBAAkB;AAClB,yBAAuB;AACvB,8BAA4B;AAC5B,qBAAmB;AACnB,2BAAyB;AACzB,gCAA8B;AAC9B,2BAAyB;AACzB,+BAA6B;AAC7B,4BAA0B;AAC1B,iBAAe;AA7FP;AAgGV,IAAI,YAAY,iBAAiB;AAEjC,SAAS,kBAAkB,OAAO;AAChC,cAAY;AAtQd;AAyQA,SAAS,oBAAoB;AAC3B,SAAO;AA1QT;AAgRA,SAAS,KAAK,KAAK;AACjB,MAAI,aAAa,iBAAiB,OAAO;AACvC,YAAQ,IAAI,WAAW;AAFR;AAhRnB;AAuRA,SAAS,KAAK,KAAK;AACjB,MAAI,aAAa,iBAAiB,UAAU;AAC1C,YAAQ,IAAI,cAAc;AAFX;AAvRnB;AA8RA,SAAS,WAAW,SAAS;AAC3B,UAAQ,IAAI,2BAA2B;AA/RzC;AAkSA,SAAS,YAAY,KAAK;AACxB,QAAM,IAAI,MAAM;AAnSlB;AAsSA,SAAS,OAAO,MAAM,KAAK;AACzB,MAAI,CAAC,MAAM;AACT,gBAAY;AAFW;AAtS3B;AA4SA,IAAI;AACF,WAAS;AACT,SAAO;AACP,cAAY;AACZ,SAAO;AACP,kBAAgB;AAChB,QAAM;AANmB;AAU3B,SAAS,aAAa,SAAS,UAAU;AACvC,MAAI;AACF,QAAI,OAAO,IAAI,IAAI;AACnB,QAAI,CAAC,KAAK,UAAU,KAAK,WAAW,QAAQ;AAC1C,aAAO;AAHP;AAAJ,IAKE,OAAO,GAAG;AACV,WAAO;AAP8B;AAUvC,MAAI,QAAQ,IAAI,IAAI,UAAU;AAC9B,SAAO,KAAK,WAAW,MAAM;AAjU/B;AAqUA,SAAS,gBAAgB,KAAK;AAC5B,MAAI,CAAC,KAAK;AACR,WAAO;AAFmB;AAI5B,UAAQ,IAAI;AACV,SAAK;AACL,SAAK;AACL,SAAK;AACL,SAAK;AACL,SAAK;AACH,aAAO;AACT;AACE,aAAO;;AAjVb;AA2VA,SAAS,uBAAuB,KAAK,SAAS;AAC5C,MAAI,CAAC,KAAK;AACR,WAAO;AAFmC;AAI5C,MAAI;AACF,QAAI,cAAc,UAAU,IAAI,IAAI,KAAK,WAAW,IAAI,IAAI;AAC5D,QAAI,gBAAgB,cAAc;AAChC,aAAO;AAHP;AAAJ,IAKE,OAAO,IAAI,CAT+B;AAU5C,SAAO;AArWT;AAwWA,SAAS,OAAO,KAAK,MAAM,OAAO;AAChC,SAAO,eAAe,KAAK;AAAQ;AACA,gBAAY;AACZ,kBAAc;AACd,cAAU;AAHZ;AAIjC,SAAO;AA7WT;AAgXA,SAAS,sBAAsB,aAAa;AAC1C,MAAI;AACJ,SAAO,YAAY;AACjBLine truncated
|
||||
+41660
File diff suppressed because it is too large.
Load diff
+1
@@ -0,0 +1 @@
|
||||
{"version":3,"sources":["webpack:///webpack/universalModuleDefinition","webpack:///webpack/bootstrap 709206543ea702ff19cc","webpack:///src/shared/util.js","webpack:///src/core/primitives.js","webpack:///src/core/stream.js","webpack:///src/core/colorspace.js","webpack:///src/core/encodings.js","webpack:///src/core/parser.js","webpack:///src/core/glyphlist.js","webpack:///src/core/function.js","webpack:///src/core/unicode.js","webpack:///src/core/arithmetic_decoder.js","webpack:///src/core/cff_parser.js","webpack:///src/core/chunked_stream.js","webpack:///src/core/crypto.js","webpack:///src/core/evaluator.js","webpack:///src/core/jpx.js","webpack:///src/core/obj.js","webpack:///src/core/standard_fonts.js","webpack:///src/core/worker.js","webpack:///external/streams/streams-lib.js","webpack:///src/core/annotation.js","webpack:///src/core/bidi.js","webpack:///src/core/charsets.js","webpack:///src/core/cmap.js","webpack:///src/core/document.js","webpack:///src/core/font_renderer.js","webpack:///src/core/fonts.js","webpack:///src/core/image.js","webpack:///src/core/jbig2.js","webpack:///src/core/jpg.js","webpack:///src/core/metrics.js","webpack:///src/core/murmurhash3.js","webpack:///src/core/pattern.js","webpack:///src/core/pdf_manager.js","webpack:///src/core/ps_parser.js","webpack:///src/core/type1_parser.js","webpack:///src/pdf.worker.js","webpack:///src/shared/compatibility.js","webpack:///src/shared/streams_polyfill.js"],"names":["getLookupTableFactory","getGlyphsUnicode","t","getDingbatsGlyphsUnicode","exports","getSpecialPUASymbols","mapSpecialUnicodeValues","code","getUnicodeForGlyph","name","glyphsUnicodeMap","unicode","undefined","nameLen","length","hexStr","substr","toUpperCase","parseInt","UnicodeRanges","getUnicodeRangeFor","value","i","ii","range","begin","end","isRTLRangeFor","getNormalizedUnicodes","reverseIfRtl","chars","charsLength","charCodeAt","s"],"mappings":";;;;;;;;;;;;;;;AAAA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,CAAC;AACD,O;ACVA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;;;AAGA;AACA;;AAEA;AACA;;AAEA;AACA,mDAA2C,cAAc;;AAEzD;AACA;AACA;AACA;AACA;AACA;AACA;AACA,aAAK;AACL;AACA;;AAEA;AACA;AACA;AACA,mCAA2B,0BAA0B,EAAE;AACvD,yCAAiC,eAAe;AAChD;AACA;AACA;;AAEA;AACA,8DAAsD,+DAA+D;;AAErH;AACA;;AAEA;AACA;;;;;;;;;;;;;;;;;ACjDO;;AACwB;;AAE/B,IAAI,cACD,OAAO,WAAW,eAAe,OAAO,SAAS,OAAQ,SAEzD,OAAO,WAAW,eAAe,OAAO,SAAS,OAAQ,SACzD,OAAO,SAAS,eAAe,KAAK,SAAS,OAAe;AAE/D,IAAI,uBAAuB,CAAC,OAAO,GAAG,GAAG,OAAO,GAAG;AAEnD,IAAM;AACJ,QAAM;AACN,UAAQ;AACR,WAAS;AAHiB;AAM5B,IAAI;AACF,QAAM;AACN,UAAQ;AACR,eAAa;AACb,aAAW;AACX,oBAAkB;AAClB,sBAAoB;AACpB,2BAAyB;AACzB,eAAa;AACb,oBAAkB;AAClB,oBAAkB;AAVI;AAaxB,IAAI;AACF,kBAAgB;AAChB,aAAW;AACX,cAAY;AAHE;AAMhB,IAAI;AACF,QAAM;AACN,QAAM;AACN,YAAU;AACV,QAAM;AACN,UAAQ;AACR,UAAQ;AACR,WAAS;AACT,YAAU;AACV,aAAW;AACX,aAAW;AACX,YAAU;AACV,aAAW;AACX,SAAO;AACP,SAAO;AACP,OAAK;AACL,SAAO;AACP,kBAAgB;AAChB,SAAO;AACP,SAAO;AACP,UAAQ;AACR,UAAQ;AACR,eAAa;AACb,WAAS;AACT,aAAW;AACX,UAAQ;AACR,UAAQ;AA1BW;AA6BrB,IAAI;AACF,aAAW;AACX,UAAQ;AACR,SAAO;AACP,UAAQ;AACR,YAAU;AACV,UAAQ;AACR,YAAU;AACV,UAAQ;AACR,gBAAc;AACd,kBAAgB;AAVG;AAarB,IAAI;AACF,YAAU;AACV,YAAU;AACV,YAAU;AACV,aAAW;AACX,YAAU;AACV,iBAAe;AACf,SAAO;AACP,cAAY;AACZ,SAAO;AACP,QAAM;AACN,QAAM;AACN,cAAY;AACZ,eAAa;AACb,mBAAiB;AACjB,eAAa;AACb,QAAM;AACN,YAAU;AACV,kBAAgB;AAChB,qBAAmB;AAnBK;AAsB1B,IAAI;AACF,SAAO;AACP,UAAQ;AACR,WAAS;AACT,SAAO;AACP,aAAW;AALmB;AAQhC,IAAI;AACF,WAAS;AACT,SAAO;AACP,OAAK;AACL,OAAK;AACL,OAAK;AACL,QAAM;AACN,OAAK;AACL,OAAK;AACL,OAAK;AACL,MAAI;AAVW;AAajB,IAAI;AACF,WAAS;AACT,SAAO;AACP,UAAQ;AACR,gBAAc;AACd,iBAAe;AACf,YAAU;AACV,gBAAc;AACd,SAAO;AACP,YAAU;AACV,SAAO;AACP,WAAS;AAXI;AAcf,IAAI;AACF,UAAQ;AACR,YAAU;AACV,SAAO;AAHc;AAMvB,IAAI;AACF,QAAM;AACN,UAAQ;AACR,UAAQ;AAHgB;AAO1B,IAAI;AAGF,cAAY;AACZ,gBAAc;AACd,cAAY;AACZ,eAAa;AACb,iBAAe;AACf,WAAS;AACT,sBAAoB;AACpB,eAAa;AACb,aAAW;AACX,QAAM;AACN,WAAS;AACT,aAAW;AACX,UAAQ;AACR,UAAQ;AACR,WAAS;AACT,YAAU;AACV,YAAU;AACV,aAAW;AACX,aAAW;AACX,UAAQ;AACR,eAAa;AACb,QAAM;AACN,UAAQ;AACR,cAAY;AACZ,gBAAc;AACd,mBAAiB;AACjB,qBAAmB;AACnB,WAAS;AACT,QAAM;AACN,UAAQ;AACR,aAAW;AACX,WAAS;AACT,kBAAgB;AAChB,kBAAgB;AAChB,aAAW;AACX,cAAY;AACZ,WAAS;AACT,wBAAsB;AACtB,eAAa;AACb,YAAU;AACV,sBAAoB;AACpB,iBAAe;AACf,YAAU;AACV,YAAU;AACV,kBAAgB;AAChB,oBAAkB;AAClB,8BAA4B;AAC5B,gBAAc;AACd,yBAAuB;AACvB,uBAAqB;AACrB,qBAAmB;AACnB,kBAAgB;AAChB,mBAAiB;AACjB,gBAAc;AACd,iBAAe;AACf,iBAAe;AACf,eAAa;AACb,qBAAmB;AACnB,mBAAiB;AACjB,sBAAoB;AACpB,oBAAkB;AAClB,eAAa;AACb,oBAAkB;AAClB,kBAAgB;AAChB,kBAAgB;AAChB,gBAAc;AACd,aAAW;AACX,kBAAgB;AAChB,sBAAoB;AACpB,2BAAyB;AACzB,oBAAkB;AAClB,eAAa;AACb,aAAW;AACX,yBAAuB;AACvB,uBAAqB;AACrB,cAAY;AACZ,YAAU;AACV,oBAAkB;AAClB,kBAAgB;AAChB,mBAAiB;AACjB,iBAAe;AACf,oBAAkB;AAClB,yBAAuB;AACvB,8BAA4B;AAC5B,qBAAmB;AACnB,2BAAyB;AACzB,gCAA8B;AAC9B,2BAAyB;AACzB,+BAA6B;AAC7B,4BAA0B;AAC1B,iBAAe;AA7FP;AAgGV,IAAI,YAAY,iBAAiB;AAEjC,SAAS,kBAAkB,OAAO;AAChC,cAAY;AAtQd;AAyQA,SAAS,oBAAoB;AAC3B,SAAO;AA1QT;AAgRA,SAAS,KAAK,KAAK;AACjB,MAAI,aAAa,iBAAiB,OAAO;AACvC,YAAQ,IAAI,WAAW;AAFR;AAhRnLine truncated
|
||||
Regular → Executable
+23
@@ -1,5 +1,28 @@
|
||||
{% extends 'admin/change_form.html' %}
|
||||
|
||||
{% block content %}
|
||||
|
||||
{{ block.super }}
|
||||
|
||||
{% if file_type in "pdf jpg png" %}
|
||||
<div id="twocolumn_parent" style="display: flex;">
|
||||
<div id="form_parent" style="flex:50%; margin-right: 10px;"></div>
|
||||
<div id="viewer_parent" style="flex:50%; margin-left: 10px; text-align: center;">
|
||||
{% if file_type == "pdf" %}
|
||||
{% include "admin/documents/document/viewers/viewer_pdf.html" %}
|
||||
{% endif %}
|
||||
{% if file_type in "jpg png" %}
|
||||
{% include "admin/documents/document/viewers/viewer_image.html" %}
|
||||
{% endif %}
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<script>
|
||||
django.jQuery("#form_parent").append(django.jQuery("#document_form"));
|
||||
</script>
|
||||
{% endif %}
|
||||
|
||||
{% endblock content %}
|
||||
|
||||
{% block footer %}
|
||||
|
||||
|
||||
@@ -0,0 +1,2 @@
|
||||
<img src="{{download_url}}" width="100%">
|
||||
|
||||
@@ -0,0 +1,119 @@
|
||||
{% load static %}
|
||||
|
||||
<div>
|
||||
<input id="prev" value="Previous" class="default" type="button">
|
||||
<input id="next" value="Next" class="default" type="button">
|
||||
|
||||
<span>Page: <span id="page_num"></span> / <span id="page_count"></span></span>
|
||||
|
||||
<input id="zoomin" value="+" class="default" type="button">
|
||||
<input id="zoomout" value="-" class="default" type="button">
|
||||
</div>
|
||||
|
||||
<div style="width: 100%; overflow: auto;">
|
||||
<canvas id="the-canvas"></canvas>
|
||||
</div>
|
||||
<script type="text/javascript" src="{% static 'documents/js/pdf.js' %}"></script>
|
||||
<script type="text/javascript" src="{% static 'documents/js/pdf.worker.js' %}"></script>
|
||||
{# Load and display PDF document#}
|
||||
<script>
|
||||
var pdfjsLib = window['pdfjs-dist/build/pdf'];
|
||||
|
||||
var pdfDoc = null,
|
||||
pageNum = 1,
|
||||
pageRendering = false,
|
||||
pageNumPending = null,
|
||||
scale = 1.0,
|
||||
canvas = document.getElementById('the-canvas'),
|
||||
ctx = canvas.getContext('2d');
|
||||
|
||||
/**
|
||||
* Get page info from document, resize canvas accordingly, and render page.
|
||||
* @param num Page number.
|
||||
*/
|
||||
function renderPage(num) {
|
||||
pageRendering = true;
|
||||
// Using promise to fetch the page
|
||||
pdfDoc.getPage(num).then(function(page) {
|
||||
var viewport = page.getViewport(scale);
|
||||
canvas.height = viewport.height;
|
||||
canvas.width = viewport.width;
|
||||
// Render PDF page into canvas context
|
||||
var renderContext = {
|
||||
canvasContext: ctx,
|
||||
viewport: viewport
|
||||
};
|
||||
var renderTask = page.render(renderContext);
|
||||
// Wait for rendering to finish
|
||||
renderTask.promise.then(function () {
|
||||
pageRendering = false;
|
||||
if (pageNumPending !== null) {
|
||||
// New page rendering is pending
|
||||
renderPage(pageNumPending);
|
||||
pageNumPending = null;
|
||||
}
|
||||
});
|
||||
});
|
||||
// Update page counters
|
||||
document.getElementById('page_num').textContent = num;
|
||||
}
|
||||
/**
|
||||
* If another page rendering in progress, waits until the rendering is
|
||||
* finised. Otherwise, executes rendering immediately.
|
||||
*/
|
||||
function queueRenderPage(num) {
|
||||
if (pageRendering) {
|
||||
pageNumPending = num;
|
||||
} else {
|
||||
renderPage(num);
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Displays previous page.
|
||||
*/
|
||||
function onPrevPage() {
|
||||
if (pageNum <= 1) {
|
||||
return;
|
||||
}
|
||||
pageNum--;
|
||||
queueRenderPage(pageNum);
|
||||
}
|
||||
document.getElementById('prev').addEventListener('click', onPrevPage);
|
||||
/**
|
||||
* Displays next page.
|
||||
*/
|
||||
function onNextPage() {
|
||||
if (pageNum >= pdfDoc.numPages) {
|
||||
return;
|
||||
}
|
||||
pageNum++;
|
||||
queueRenderPage(pageNum);
|
||||
}
|
||||
document.getElementById('next').addEventListener('click', onNextPage);
|
||||
/**
|
||||
* Displays next page.
|
||||
*/
|
||||
function onZoomIn() {
|
||||
scale *= 1.2;
|
||||
queueRenderPage(pageNum);
|
||||
}
|
||||
document.getElementById('zoomin').addEventListener('click', onZoomIn);
|
||||
/**
|
||||
* Displays next page.
|
||||
*/
|
||||
function onZoomOut() {
|
||||
scale /= 1.2;
|
||||
queueRenderPage(pageNum);
|
||||
}
|
||||
document.getElementById('zoomout').addEventListener('click', onZoomOut);
|
||||
/**
|
||||
* Asynchronously downloads PDF.
|
||||
*/
|
||||
pdfjsLib.getDocument("{{download_url}}").then(function (pdfDoc_) {
|
||||
pdfDoc = pdfDoc_;
|
||||
document.getElementById('page_count').textContent = pdfDoc.numPages;
|
||||
// Initial/first page rendering
|
||||
renderPage(pageNum);
|
||||
});
|
||||
</script>
|
||||
|
||||
Reference in new issue
Block a user