categories list page: show parents

templates.go

@@ -6,16 +6,43 @@ import (
 	"path/filepath"
 	"regexp"
 	"net/http"
+	"errors"
 )
 
 var (
     	templates = map[string]*template.Template{}
 )
 
+// template helper function
+func dict (values ...interface{}) (map[string]interface{}, error) {
+	if len(values)%2 != 0 {
+        return nil, errors.New("invalid dict call")
+    }
+    dict := make(map[string]interface{}, len(values)/2)
+    for i := 0; i < len(values); i+=2 {
+        key, ok := values[i].(string)
+       if !ok {
+           return nil, errors.New("dict keys must be strings")
+       }
+        dict[key] = values[i+1]
+    }
+    return dict, nil
+}
+
+func stringTimes(times int, str string) string {
+    result := ""
+    for i := 0; i < times; i ++ {
+        result += str
+    }
+    return result
+} 
+
 // Tempalte helper functions
 var funcMap = template.FuncMap {
     "add": func (x, y int) int { return x + y },
     "minus": func (x, y int) int { return x - y },
+    "dict": dict,
+    "stringTimes": stringTimes,
 }
 
 

templates/pages/categories.html

@@ -1,48 +1,50 @@
 {{define "body"}}
 <h2 class="form-categories-heading">Categories</h2>
 {{template "flashes" .}}
-<div class="row">
+
 
 {{range $category := .categories}}
-            {{template "row-category" $category}}
+            {{template "row-category" dict "category" $category "categories" $.categories}}
 {{end}}
 
-</div>
 {{end}}
 
 {{define "row-category"}}
-    {{if .Parent.Valid }}
-        {{with .Depth}}
-            <div class="col-xs-{{.}} child-depth"></div>
-            <div class="col-xs-{{minus 12 .}} category-row">
-        {{end}}
-    {{else}}
-        <div class="col-xs-12 category-row">
-    {{end}}
+    <div class="row">
     
-    {{.Name}} <a href="/categories/delete?id={{.Id}}">delete</a>
     
-    <select class="form-control category-change-parent" name="category-change-parent-{{.Id}}" >
-        <option value="-1" {{if not .Parent.Valid}} selected="true"{{end}}>-- None --</option>
+        <div class="col-xs-2">
+            {{stringTimes .category.Depth "- "}}
+              
+           
+            {{.category.Name}}
+        </div>
+        <div class="col-xs-1">
+            <a href="/categories/delete?id={{.category.Id}}">delete</a>
+        </div>
+        <div class="col-xs-3">
+    <select class="form-control category-change-parent" name="category-change-parent-{{.category.Id}}" >
+        <option value="-1" {{if not .category.Parent.Valid}} selected="true"{{end}}>-- None --</option>
         {{range $category := .categories}}
-            {{template "option-category" $category }}
+            {{if $.category.Parent.Valid }}
+                {{template "option-category" dict "category" $category "id" $.category.Parent.Value}}
+            {{else}}
+                {{template "option-category" dict "category" $category "id" -1}}
+            {{end}}
         {{end}}
     </select>
-    
+        </div>
     </div>
 
-    
-    {{range $child := .Children}}
-        {{template "row-category" $child}}
+    {{range $child := .category.Children}}
+        {{template "row-category" dict "category" $child "categories" $.categories}}
      {{end}}    
 
 {{end}}
 
 {{define "option-category"}}
-    <option value="{{.Id}}">{{.ToString}}</option>
-    {{range $child := .Children}}
-        {{template "option-category" $child}}
+    <option value="{{.category.Id}}" {{if eq .id .category.Id}}selected="true"{{end}}>{{.category.ToString}}</option>
+    {{range $child := .category.Children}}
+        {{template "option-category" dict "category" $child "id" $.id}}
      {{end}}            
-=======
->>>>>>> fea21c9d10d89f90b71988dcb41722527b947f60
 {{end}}