Image field: can use camera for mobile device

2 files changed, 76 insertions, 4 deletions

diff --git a/ishtar_common/static/js/ishtar.js b/ishtar_common/static/js/ishtar.js
index 2a2b4fa9f..03d62bac3 100644
--- a/ishtar_common/static/js/ishtar.js
+++ b/ishtar_common/static/js/ishtar.js
@@ -1957,3 +1957,47 @@ var redraw_plots = function(name, key){
 		stats_current_graph[key].replot({resetAxes: true});
 	}
 };
+
+var mobile_check = function() {
+  let check = false;
+  (function(a){if(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(a)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0,4))) check = true;})(navigator.userAgent||navigator.vendor||window.opera);
+  return check;
+};
+
+var preview_input_image = function(input, input_id){
+    if (input.files && input.files[0]) {
+        var reader = new FileReader();
+        reader.onload = function (e) {
+            $('#img-' + input_id).attr('src', e.target.result);
+            $('#img-' + input_id).parent().attr('href', e.target.result);
+        };
+        reader.readAsDataURL(input.files[0]);
+        let gallery = document.getElementById('lightgallery-' + input_id);
+        if (gallery && gallery.getAttribute('lg-uid') && window.lgData) {
+            window.lgData[gallery.getAttribute('lg-uid')].destroy(true);
+        }
+        lightGallery(document.getElementById('lightgallery-' + input_id));
+     }
+};
+
+
+var register_preview_input_image = function(input_id){
+    $('#img-' + input_id).on('load',function() {
+         let css;
+         let ratio = $(this).width() / $(this).height();
+         let pratio = $(this).parent().parent().width() / $(this).parent().parent().height();
+         if (ratio < pratio) {
+             css = {width:'auto', height:'100%'};
+         } else {
+             css = {width:'100%', height:'auto'};
+         }
+         $(this).css(css);
+     });
+     $('#mobile-'+ input_id).change(function (){
+        if($(this).is(":checked")) {
+            $("#input-" + input_id).attr("capture", "camera");
+        } else {
+            $("#input-" + input_id).removeAttr("capture");
+        }
+     });
+};
diff --git a/ishtar_common/templates/widgets/image_input.html b/ishtar_common/templates/widgets/image_input.html
index e03aa9153..4b1d83c0e 100644
--- a/ishtar_common/templates/widgets/image_input.html
+++ b/ishtar_common/templates/widgets/image_input.html
@@ -2,8 +2,10 @@
     {% if widget.value and widget.value.url or hidden_value %}
     <span class="col-4">
         <div id="lightgallery-{{widget.name}}">
-            <a href="{% if hidden_value %}{{hidden_value}}{% else %}{{ widget.value.url }}{%endif%}">
-                <img class="form-thumbnail" src="{% if widget.value.url %}{{ widget.value.url }}{% else %}{{hidden_value}}{%endif%}">
+            <a href="{% if hidden_value %}{{hidden_value}}{% else %}{{ widget.value.url }}{% endif %}">
+                <img class="form-thumbnail"
+                     id="img-{{ widget.name }}"
+                     src="{% if widget.value.url %}{{ widget.value.url }}{% else %}{{hidden_value}}{% endif %}">
             </a>
         </div>
     </span>
@@ -11,14 +13,32 @@
     <span class="col-4">
         {{hidden_name_value}}
     </span>
+    {% else %}
+    <span class="col-4">
+        <div id="lightgallery-{{widget.name}}">
+            <a href="">
+                <img class="form-thumbnail" id="img-{{ widget.name }}" src="">
+            </a>
+        </div>
+    </span>
     {% endif %}
     <span class="col-8">
+        <input type="{{ widget.type }}"
+               accept="image/*" capture="camera"
+               onchange="preview_input_image(this, '{{ widget.name }}');"
+               id="input-{{widget.name}}"
+               name="{{ widget.name }}"{% include 'django/forms/widgets/attrs.html' %} />
+        <br class="mobile-capture" style="display:none">
+        <input type="checkbox" name="mobile-capture" class="mobile-capture" style="display:none"
+               id="mobile-{{ widget.name }}" checked>
+        <label for="mobile-{{ widget.name }}" class="mobile-capture" style="display:none">{% trans "enable camera" %}</label>
+
     {% if widget.value and widget.value.url %}{% if not widget.required %}
+        <br>
         <input type="checkbox" name="{{ widget.checkbox_name }}"
                id="{{ widget.checkbox_id }}" />
         <label for="{{ widget.checkbox_id }}">{% trans "delete" %}</label>
     {% endif %}{% endif %}
-        <input type="{{ widget.type }}" name="{{ widget.name }}"{% include 'django/forms/widgets/attrs.html' %} />
         <input type="hidden" name="{{ widget.name }}-hidden"
                value="{% if widget.value and widget.value.url %}{{widget.value.url}}{% elif hidden_value %}{{hidden_value}}{% endif %}"/>
         <input type="hidden" name="{{ widget.name }}-hidden-name"
@@ -27,6 +47,14 @@
 </div>
 {% if is_initial or widget.value.url %}
 <script type="text/javascript">
-lightGallery(document.getElementById('lightgallery-{{widget.name}}'));
+$(document).ready(function(){
+    if (mobile_check()){
+        $(".mobile-capture").show();
+    } else {
+        $("#input-{{ widget.name }}").removeAttr("capture");
+    }
+    lightGallery(document.getElementById('lightgallery-{{widget.name}}'));
+    register_preview_input_image("{{ widget.name }}");
+});
 </script>
 {% endif %}