Merge pull request #1478 from umap-project/preview-map-on-click

Preview map only on click in user’s dashboard

umap/models.py

@@ -11,6 +11,7 @@ from django.urls import reverse
 from django.utils.translation import gettext_lazy as _
 
 from .managers import PublicManager
+from .utils import _urls_for_js
 
 
 # Did not find a clean way to do this in Django
@@ -193,6 +194,34 @@ class Map(NamedModel):
     objects = models.Manager()
     public = PublicManager()
 
+    @property
+    def preview_settings(self):
+        layers = self.datalayer_set.all()
+        datalayer_data = [c.metadata() for c in layers]
+        map_settings = self.settings
+        if "properties" not in map_settings:
+            map_settings["properties"] = {}
+        map_settings["properties"].update(
+            {
+                "tilelayers": [TileLayer.get_default().json],
+                "datalayers": datalayer_data,
+                "urls": _urls_for_js(),
+                "STATIC_URL": settings.STATIC_URL,
+                "editMode": "disabled",
+                "hash": False,
+                "attributionControl": False,
+                "scrollWheelZoom": False,
+                "umapAttributionControl": False,
+                "noControl": True,
+                "umap_id": self.pk,
+                "onLoadPanel": "none",
+                "captionBar": False,
+                "default_iconUrl": "%sumap/img/marker.png" % settings.STATIC_URL,
+                "slideshow": {},
+            }
+        )
+        return map_settings
+
     def get_absolute_url(self):
         return reverse("map", kwargs={"slug": self.slug or "map", "map_id": self.pk})
 

umap/static/umap/content.css

@@ -134,6 +134,9 @@ h2.section {
     padding-top: 28px;
 }
 h2.tabs a {
+    color: #666;
+}
+h2.tabs a:not(.selected) {
     font-weight: normal;
     color: #666;
 }
@@ -296,9 +299,9 @@ table.maps {
     width: 100%;
 }
 table.maps .map_fragment {
-    height: 100px;
+    display: block;
+    height: 80vh;
     width: 100%;
-    min-width: 200px;
 }
 table.maps tbody tr:nth-child(odd) {
     background-color: #f4f4f4;
@@ -309,6 +312,42 @@ table.maps td {
 table.maps thead tr {
     line-height: 2em;
 }
+table.maps .button {
+    margin-bottom: 2px;
+    padding:4px 6px;
+    height: 36px;
+    line-height: 23px;
+}
+
+/* **************************** */
+/*           Dialog             */
+/* **************************** */
+dialog {
+    width: 90vw;
+    height: 90vh;
+}
+dialog::backdrop {
+    background: #fff5;
+    backdrop-filter: blur(4px);
+}
+.close-dialog {
+    text-align: center;
+    margin-bottom: 0;
+}
+
+/* ********************************* */
+/*         Pagination                */
+/* ********************************* */
+.pagination {
+    display: flex;
+    flex-direction: row;
+    justify-content: space-around;
+    margin: 1rem;
+    border-top: 1px solid gray;
+}
+.pagination > * {
+    padding: 1rem;
+}
 
 
 /* ************************************************* */

umap/static/umap/js/umap.ui.js

@@ -64,8 +64,10 @@ L.U.UI = L.Evented.extend({
   },
 
   closePanel: function () {
+    if (L.DomUtil.hasClass(this.parent, 'umap-ui')) {
       L.DomUtil.removeClass(this.parent, 'umap-ui')
       this.fire('panel:closed')
+    }
   },
 
   alert: function (e) {

umap/templates/auth/user_form.html

@@ -3,7 +3,7 @@
 {% block maincontent %}
   <div class="col wide">
     <h2 class="section tabs">
-      <a href="{% url "user_dashboard" %}">{% trans "My Dashboard" %}</a> | {% trans "My Profile" %}
+      <a href="{% url "user_dashboard" %}">{% trans "My Dashboard" %}</a> | <a class="selected" href="{% url 'user_profile' %}">{% trans "My Profile" %}</a>
     </h2>
   </div>
   <div class="wrapper">

umap/templates/umap/content.html

@@ -67,7 +67,7 @@
             const container = this.parentNode
             container.innerHTML = data
             Array.prototype.forEach.call(
-              container.querySelectorAll('script'),
+              container.querySelectorAll('script:not([type="application/json"])'),
               function (item) {
                 eval(item.firstChild.textContent)
               }

umap/templates/umap/map_list.html

@@ -1,4 +1,4 @@
-{% load umap_tags umap_tags i18n %}
+{% load umap_tags i18n %}
 {% for map_inst in maps %}
   <hr />
   <div class="col wide">

umap/templates/umap/map_table.html

@@ -1,24 +1,34 @@
-{% load umap_tags umap_tags i18n %}
+{% load umap_tags i18n %}
 <table class="maps">
-  {% if not is_ajax %}
   <thead>
     <tr>
-        <th>{% blocktrans %}Map{% endblocktrans %}</th>
       <th>{% blocktrans %}Name{% endblocktrans %}</th>
+      <th>{% blocktrans %}Preview{% endblocktrans %}</th>
       <th>{% blocktrans %}Who can see / edit{% endblocktrans %}</th>
       <th>{% blocktrans %}Last save{% endblocktrans %}</th>
       <th>{% blocktrans %}Owner{% endblocktrans %}</th>
       <th>{% blocktrans %}Actions{% endblocktrans %}</th>
     </tr>
   </thead>
-  {% endif %}
   <tbody>
     {% for map_inst in maps %}
+      {% with unique_id="map_"|addstr:map_inst.pk %}
+        {{ map_inst.preview_settings|json_script:unique_id }}
         <tr>
-        <td>{% map_fragment map_inst prefix=prefix page=request.GET.p %}</td>
           <td>
             <a href="{{ map_inst.get_absolute_url }}">{{ map_inst.name }}</a>
           </td>
+          <td>
+            <button class="button map-opener neutral" data-map-id="{{ unique_id }}">{% blocktranslate %}Open preview{% endblocktranslate %}</button>
+            <dialog>
+              <form method="dialog">
+                <div id="{{ unique_id }}_target" class="map_fragment"></div>
+                <p class="close-dialog">
+                  <button class="button" type="submit">Close</button>
+                </p>
+              </form>
+            </dialog>
+          </td>
           <td>{{ map_inst.get_share_status_display }} / {{ map_inst.get_edit_status_display }}</td>
           <td>{{ map_inst.modified_at }}</td>
           <td>
@@ -30,12 +40,34 @@
             <a href="{% url 'map_download' map_inst.pk %}">{% translate "Download" %}</a>
           </td>
         </tr>
+      {% endwith %}
     {% endfor %}
   </tbody>
 </table>
-{% if maps.has_next %}
+<div class="pagination">
-  <div class="col wide">
+  {% if maps.has_previous %}
-    <a href="?{% paginate_querystring maps.next_page_number %}"
+    <a href="?p=1{% if q %}&q={{ q }}{% endif %}">« {% translate "first" %}</a>
-       class="button more_button neutral">{% trans "More" %}</a>
+    <a href="?p={{ maps.previous_page_number }}{% if q %}&q={{ q }}{% endif %}">‹ {% translate "previous" %}</a>
-  </div>
+  {% else %}
-{% endif %}
+    {# djlint:off #}
+    <span></span>
+    <span></span>
+    {# djlint:on #}
+  {% endif %}
+
+  <span class="current">
+    {% blocktranslate with maps_number=maps.number num_pages=maps.paginator.num_pages %}
+      Page {{ maps_number }} of {{ num_pages }}
+    {% endblocktranslate %}
+  </span>
+
+  {% if maps.has_next %}
+    <a href="?p={{ maps.next_page_number }}{% if q %}&q={{ q }}{% endif %}">{% translate "next" %} ›</a>
+    <a href="?p={{ maps.paginator.num_pages }}{% if q %}&q={{ q }}{% endif %}">{% translate "last" %} »</a>
+  {% else %}
+    {# djlint:off #}
+    <span></span>
+    <span></span>
+    {# djlint:on #}
+  {% endif %}
+</div>

umap/templates/umap/user_dashboard.html

@@ -7,7 +7,7 @@
   {% trans "Search my maps" as placeholder %}
   <div class="col wide">
     <h2 class="section tabs">
-      {% trans "My Dashboard" %} | <a href="{% url 'user_profile' %}">{% trans "My profile" %}</a>
+      <a class="selected" href="{% url 'user_dashboard' %}">{% trans "My Dashboard" %}</a> | <a href="{% url 'user_profile' %}">{% trans "My profile" %}</a>
     </h2>
     {% include "umap/search_bar.html" with action=request.get_full_path placeholder=placeholder %}
   </div>
@@ -23,3 +23,25 @@
     </div>
   </div>
 {% endblock maincontent %}
+
+{% block bottom_js %}
+  {{ block.super }}
+  <script type="text/javascript">
+    !(function () {
+      const CACHE = {}
+      for (const mapOpener of document.querySelectorAll("button.map-opener")) {
+        mapOpener.addEventListener('click', (event) => {
+          event.target.nextElementSibling.showModal()
+          const mapId = event.target.dataset.mapId
+          if (!document.querySelector(`#${mapId}_target`).hasChildNodes()) {
+            const previewSettings = JSON.parse(document.getElementById(mapId).textContent)
+            const map = new L.U.Map(`${mapId}_target`, previewSettings)
+            CACHE[mapId] = map
+          } else {
+            CACHE[mapId].invalidateSize()
+          }
+        })
+      }
+    })()
+  </script>
+{% endblock bottom_js %}

umap/templatetags/umap_tags.py

@@ -4,9 +4,6 @@ from copy import copy
 from django import template
 from django.conf import settings
 
-from ..models import DataLayer, TileLayer
-from ..views import _urls_for_js
-
 register = template.Library()
 
 
@@ -22,30 +19,7 @@ def umap_js(locale=None):
 
 @register.inclusion_tag("umap/map_fragment.html")
 def map_fragment(map_instance, **kwargs):
-    layers = DataLayer.objects.filter(map=map_instance)
+    map_settings = map_instance.preview_settings
-    datalayer_data = [c.metadata() for c in layers]
-    map_settings = map_instance.settings
-    if "properties" not in map_settings:
-        map_settings["properties"] = {}
-    map_settings["properties"].update(
-        {
-            "tilelayers": [TileLayer.get_default().json],
-            "datalayers": datalayer_data,
-            "urls": _urls_for_js(),
-            "STATIC_URL": settings.STATIC_URL,
-            "editMode": "disabled",
-            "hash": False,
-            "attributionControl": False,
-            "scrollWheelZoom": False,
-            "umapAttributionControl": False,
-            "noControl": True,
-            "umap_id": map_instance.pk,
-            "onLoadPanel": "none",
-            "captionBar": False,
-            "default_iconUrl": "%sumap/img/marker.png" % settings.STATIC_URL,
-            "slideshow": {},
-        }
-    )
     map_settings["properties"].update(kwargs)
     prefix = kwargs.pop("prefix", None) or "map"
     page = kwargs.pop("page", None) or ""
@@ -86,3 +60,9 @@ def ipdb(what):
 
     ipdb.set_trace()
     return ""
+
+
+@register.filter
+def addstr(arg1, arg2):
+    # Necessity: https://stackoverflow.com/a/23783666
+    return str(arg1) + str(arg2)

umap/utils.py

@@ -1,9 +1,26 @@
 import gzip
 import os
 
+from django.conf import settings
 from django.urls import URLPattern, URLResolver, get_resolver
 
 
+def _urls_for_js(urls=None):
+    """
+    Return templated URLs prepared for javascript.
+    """
+    if urls is None:
+        # prevent circular import
+        from .urls import i18n_urls, urlpatterns
+
+        urls = [
+            url.name for url in urlpatterns + i18n_urls if getattr(url, "name", None)
+        ]
+    urls = dict(zip(urls, [get_uri_template(url) for url in urls]))
+    urls.update(getattr(settings, "UMAP_EXTRA_URLS", {}))
+    return urls
+
+
 def get_uri_template(urlname, args=None, prefix=""):
     """
     Utility function to return an URI Template from a named URL in django

umap/views.py

@@ -62,7 +62,7 @@ from .forms import (
     UserProfileForm,
 )
 from .models import DataLayer, Licence, Map, Pictogram, Star, TileLayer
-from .utils import ConflictError, get_uri_template, gzip_file, is_ajax, merge_features
+from .utils import ConflictError, _urls_for_js, gzip_file, is_ajax, merge_features
 
 User = get_user_model()
 
@@ -270,7 +270,12 @@ class UserDashboard(PaginatorMixin, DetailView, SearchMixin):
 
     def get_context_data(self, **kwargs):
         kwargs.update(
-            {"maps": self.paginate(self.get_maps(), settings.UMAP_MAPS_PER_PAGE_OWNER)}
+            {
+                "q": self.request.GET.get("q"),
+                "maps": self.paginate(
+                    self.get_maps(), settings.UMAP_MAPS_PER_PAGE_OWNER
+                ),
+            }
         )
         return super().get_context_data(**kwargs)
 
@@ -390,22 +395,6 @@ ajax_proxy = AjaxProxy.as_view()
 # ############## #
 
 
-def _urls_for_js(urls=None):
-    """
-    Return templated URLs prepared for javascript.
-    """
-    if urls is None:
-        # prevent circular import
-        from .urls import i18n_urls, urlpatterns
-
-        urls = [
-            url.name for url in urlpatterns + i18n_urls if getattr(url, "name", None)
-        ]
-    urls = dict(zip(urls, [get_uri_template(url) for url in urls]))
-    urls.update(getattr(settings, "UMAP_EXTRA_URLS", {}))
-    return urls
-
-
 def simple_json_response(**kwargs):
     return HttpResponse(json.dumps(kwargs), content_type="application/json")