first getplotlyoffline + plotlyoffline

Author: BRONSOLO

plotly/plotly_offline_aux/getplotlyoffline.m

@@ -0,0 +1,32 @@
+function getplotlyoffline(plotly_bundle_url)
+
+    % download bundle 
+    [plotly_bundle, extras] = urlread2(plotly_bundle_url, 'get');
+   
+    % handle response
+    if ~extras.isGood
+        error(['Whoops! There was an error attempting to ', ...
+               'download the MATLAB offline Plotly ', ...
+               'bundle. Status: %s %s.'], ...
+               num2str(extras.status.value), extras.status.msg); 
+    end
+
+    % create Plotly config folder 
+    userhome = getuserdir();
+    plotly_config_folder = fullfile(userhome, '.plotly');
+    [status, mess, messid] = mkdir(plotly_config_folder);
+    validatedir(status, mess, messid, 'plotly'); 
+
+    % create plotlyjs folder
+    plotly_js_folder = fullfile(plotly_config_folder, 'plotlyjs');
+    [status, mess, messid] = mkdir(plotly_js_folder);
+    validatedir(status, mess, messid, 'plotlyjs');  
+
+    % save bundle
+    bundle = escapechars(plotly_bundle);
+    bundle_name = 'plotly-matlab-offline-bundle.js'; 
+    bundle_file = fullfile(plotly_js_folder, bundle_name); 
+    file_id = fopen(bundle_file, 'w'); 
+    fprintf(file_id, '%s', bundle);
+    fclose(file_id); 
+end

plotly/plotly_offline_aux/plotlyoffline.m

@@ -0,0 +1,84 @@
+function response = plotlyoffline(plotlyfig)
+    % Generate offline Plotly figure saved as an html file within 
+    % the current working directory. The file will be saved as: 
+    % 'plotlyfig.PlotOptions.FileName'.html. 
+    
+    % grab the bundled dependencies
+    userhome = getuserdir();
+    plotly_config_folder   = fullfile(userhome,'.plotly');
+    plotly_js_folder = fullfile(plotly_config_folder, 'plotlyjs');
+    bundle_name = 'plotly-matlab-offline-bundle.js'; 
+    bundle_file = fullfile(plotly_js_folder, bundle_name);
+    
+    % check that the bundle exists 
+    try
+        bundle = fileread(bundle_file); 
+    catch
+        error(['Error reading: %s.\nPlease download the required ', ... 
+               'dependencies using: >>getplotloffline \n', ...
+               'or contact [email protected] for assistance.'], ...
+               bundle_file);   
+    end
+    
+    % handle plot div specs
+    id = char(java.util.UUID.randomUUID); 
+    width = [num2str(plotlyfig.layout.width) 'px']; 
+    height = [num2str(plotlyfig.layout.height) 'px']; 
+    
+    if plotlyfig.PlotOptions.ShowLinkText
+        link_text = plotlyfig.PlotOptions.LinkText;   
+    else
+        link_text = ''; 
+    end
+    
+    % format the data and layout
+    jdata = m2json(plotlyfig.data); 
+    jlayout = m2json(plotlyfig.layout);
+    clean_jdata = escapechars(jdata); 
+    clean_jlayout = escapechars(jlayout); 
+   
+    % template dependencies 
+    dep_script = sprintf('<script type="text/javascript">%s</script>', ...
+                         bundle); 
+                     
+    % template environment vars        
+    plotly_domain = plotlyfig.UserData.PlotlyDomain;
+    env_script = sprintf(['\n<script type="text/javascript">', ...
+                          'window.PLOTLYENV=window.PLOTLYENV || {};', ...
+                          'window.PLOTLYENV.BASE_URL="%s";', ...
+                          'Plotly.LINKTEXT="%s";', ...
+                          '</script>'], plotly_domain, link_text); 
+        
+    % template Plotly.plot
+    script = sprintf(['\n Plotly.plot("%s", %s, %s).then(function(){'...
+                      '\n    $(".%s.loading").remove();' ...
+                      '\n    $(".link--embedview").text("%s");'...
+                      '\n    });'], id, clean_jdata, clean_jlayout, ...
+                      id, link_text);
+    
+    plotly_script = sprintf(['\n<div class="%s loading" style=', ...
+                             'color: rgb(50,50,50);">Drawing...</div>' ... 
+                             '\n<div id="%s" style="height: %s;',...
+                             'width: %s;" class="plotly-graph-div">' ...
+                             '</div> \n<script type="text/javascript">' ...
+                             '%s \n</script>'], id, id, height, width, ... 
+                             script);
+    
+    % template entire script
+    offline_script = [dep_script env_script plotly_script]; 
+    filename = plotlyfig.PlotOptions.FileName; 
+    
+    % remove the whitespace from the filename
+    clean_filename = filename(filename~=' '); 
+    html_filename = [clean_filename '.html'];
+    
+    % save the html file in the working directory
+    plotly_offline_file = fullfile(pwd, html_filename); 
+    file_id = fopen(plotly_offline_file, 'w');
+    fprintf(file_id, offline_script); 
+    fclose(file_id); 
+    
+    % return the local file url to be rendered in the browser
+    response = ['file://' plotly_offline_file]; 
+    
+end