Add absolute height option to template tag (#499)

* Add preamble to file

* Add height parameter to template tag

* Update mantine component example

* Update version number

---------

Co-authored-by: delsim <dev@gibbsconsulting.ca>

Author: delsim

demo/demo/dash_apps.py

@@ -1,6 +1,24 @@
 '''Dash demonstration application
 
-TODO attribution here
+Copyright (c) 2018 Gibbs Consulting and others - see CONTRIBUTIONS.md
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
 '''
 
 # The linter doesn't like the members of the html and dcc imports (as they are dynamic?)

demo/demo/mantine_example.py

@@ -31,8 +31,9 @@
 mantine_example = DjangoDash("MantineExample")
 
 
-mantine_example.layout = dmc.Alert(
+mantine_example.layout = dmc.MantineProvider(dmc.Alert(
     "Hi from Dash Mantine Components. You can create some great looking dashboards using me!",
     title="Welcome!",
     color="violet",
-)
+))
+

demo/demo/templates/demo_one.html

@@ -19,15 +19,15 @@ <h1>Simple App Embedding</h1>
   <div class="card-body">
     <p><span>{</span>% load plotly_dash %}</p>
     <p>&lt;div class="<span>{</span>% plotly_class name="SimpleExample"%}">
-    <p class="ml-3"><span>{</span>% plotly_app name="SimpleExample" %}</p>
+    <p class="ml-3"><span>{</span>% plotly_app name="SimpleExample" ratio=0.2 %}</p>
     <p>&lt;\div>
   </div>
 </div>
 <p></p>
 <div class="card border-dark">
   <div class="card-body">
     <div class="{%plotly_class name="SimpleExample"%}">
-      {%plotly_app name="SimpleExample"%}
+      {%plotly_app name="SimpleExample" ratio=0.2%}
     </div>
   </div>
 </div>

django_plotly_dash/templatetags/plotly_dash.py

@@ -65,18 +65,28 @@ def _locate_daapp(name, slug, da, cache_id=None):
 
     return da, app
 
+
 @register.inclusion_tag("django_plotly_dash/plotly_app.html", takes_context=True)
-def plotly_app(context, name=None, slug=None, da=None, ratio=0.1, use_frameborder=False, initial_arguments=None):
+def plotly_app(context, name=None, slug=None, da=None, ratio=0.1,
+               use_frameborder=False, initial_arguments=None,
+               height=None):
     'Insert a dash application using a html iframe'
 
     fbs = '1' if use_frameborder else '0'
 
-    dstyle = """
-    position: relative;
-    padding-bottom: %s%%;
-    height: 0;
-    overflow:hidden;
-    """ % (ratio*100)
+    if height is None:
+        dstyle = """
+        position: relative;
+        padding-bottom: %s%%;
+        height: 0;
+        overflow:hidden;
+        """ % (ratio*100)
+    else:
+        dstyle = f"""
+        position: relative;
+        height: {height};
+        overflow:hidden;
+        """
 
     istyle = """
     position: absolute;

django_plotly_dash/version.py

@@ -23,4 +23,4 @@
 
 '''
 
-__version__ = "2.3.1"
+__version__ = "2.3.2"

docs/template_tags.rst

@@ -30,6 +30,7 @@ The tag arguments are:
 :da = None: An existing ``django_plotly_dash.models.DashApp`` model instance.
 :ratio = 0.1: The ratio of height to width. The container will inherit its width as 100% of its parent, and then rely on
               this ratio to set its height.
+:height = None: Optional direct specification of the container height. If specified, overrides any ``ratio`` setting.
 :use_frameborder = "0": HTML element property of the iframe containing the application.
 :initial_arguments = None: Initial arguments overriding app defaults and saved state.