diff --git a/cateditor/src/components/CatalogContents.vue b/cateditor/src/components/CatalogContents.vue
index 96cbaf4..39ae8ec 100644
--- a/cateditor/src/components/CatalogContents.vue
+++ b/cateditor/src/components/CatalogContents.vue
@@ -1,25 +1,28 @@
 <template>
   <v-container fluid grid-list-lg>
     <v-layout row>
-      <FancyList/>
+      <SectionList/>
+      <ProductFamilyList/>
+      <!-- <ModelList/> -->
+      <MaterialList/>
     </v-layout>
   </v-container>
 </template>
 
 <script>
-import FancyList from './FancyList'
+import SectionList from './SectionList'
+import ProductFamilyList from './ProductFamilyList'
+// import ModelList from './ModelList'
+import MaterialList from './MaterialList'
 
 export default {
   components: {
-    FancyList
+    SectionList,
+    ProductFamilyList,
+    // ModelList,
+    MaterialList,
   },
   data: () => ({
-    seasons: [ 'SS19', 'FW19', 'SS20' ],
-    regions: [ 'US', 'Canada', 'Mexico' ],
-    season: null,
-    region: null,
-    name: null,
-    ispublic: true
   })
 }
 </script>
diff --git a/cateditor/src/components/FancyList.vue b/cateditor/src/components/FancyList.vue
deleted file mode 100644
index 0cb7463..0000000
--- a/cateditor/src/components/FancyList.vue
+++ /dev/null
@@ -1,141 +0,0 @@
-<template>
-  <v-container fluid grid-list-lg>
-    <v-layout row>
-      <v-flex xs5>
-        <v-card>
-          <v-toolbar dense>
-            <v-toolbar-title>Categories</v-toolbar-title>
-            <v-spacer></v-spacer>
-            <v-btn icon><v-icon>add</v-icon></v-btn>
-          </v-toolbar>
-
-          <draggable v-model="sections" group="categories" @choose="listChoose">
-            <div v-for="item in sections" :key="item.id">
-              <v-hover
-                :key="item.id"
-                :categoryid="item.id">
-                <v-list-tile
-                  slot-scope="{ hover }"
-                  :class="listItemClasses(item.id, hover)"
-                  @click="selectCategory(item.id)"
-                >
-                  <!-- <v-list-tile-action>
-                       <v-icon color="black">drag_handle</v-icon>
-                       </v-list-tile-action> -->
-
-                  <v-list-tile-content>
-                    <v-list-tile-title v-html="item.name"></v-list-tile-title>
-                    <!-- <v-list-tile-sub-title v-html="item.name"></v-list-tile-sub-title> -->
-                  </v-list-tile-content>
-
-                  <v-list-tile-action>
-                    <span class="group">
-                      <v-btn icon @click="popInfo(item.id)">
-                        <v-icon small color="grey lighten-1">info</v-icon>
-                      </v-btn>
-                      <v-btn icon @click="popDelete(item.id)">
-                        <v-icon small color="grey lighten-1">delete</v-icon>
-                      </v-btn>
-                    </span>
-                  </v-list-tile-action>
-
-                </v-list-tile>
-              </v-hover>
-            </div>
-          </draggable>
-        </v-card>
-      </v-flex>
-
-      <v-flex xs5>
-        <RawDisplayer :value="sections" title="Data" />
-      </v-flex>
-
-      <CategoryInfoDialog v-model="showCatPopup" v-bind:category="selectedCategory"/>
-      <CategoryDeleteDialog v-model="showDeleteCatPopup" v-bind:category="selectedCategory"/>
-
-    </v-layout>
-  </v-container>
-</template>
-
-<script>
-import draggable from 'vuedraggable'
-import RawDisplayer from './RawDisplayer'
-import CategoryInfoDialog from './CategoryInfoDialog'
-import CategoryDeleteDialog from './CategoryDeleteDialog'
-
-export default {
-  components: {
-    draggable,
-    CategoryInfoDialog,
-    CategoryDeleteDialog,
-    RawDisplayer
-  },
-  props: {
-    selected: Number
-  },
-  data: () => ({
-    showCatPopup: false,
-    showDeleteCatPopup: false,
-    selectedCategory: null
-  }),
-  computed: {
-    sections: {
-      get () {
-        return this.$store.getters.CAT_SECTIONS
-      },
-      set (value) {
-        this.$store.dispatch('SET_CAT_SECTIONS', value)
-      }
-    }
-  },
-  methods: {
-    listChoose: function (evt) {
-      var id = Number(evt.item.firstChild.getAttribute('categoryid'))
-      this.selectCategory(id)
-    },
-    listItemClasses: function (id, hovering) {
-      if (id === this.selectedCategory) {
-        return 'primary'
-      } else if (hovering) {
-        return 'grey lighten-4'
-      } else {
-        return ''
-      }
-    },
-    selectCategory: function (id) {
-      this.selectedCategory = id
-    },
-    popInfo: function (id) {
-      this.selectCategory(id)
-      this.showCatPopup = true
-    },
-    popDelete: function (id) {
-      this.selectCategory(id)
-      this.showDeleteCatPopup = true
-    }
-  }
-}
-</script>
-
-<style scoped>
-.button {
-  margin-top: 35px;
-}
-.handle {
-  float: left;
-  padding-top: 8px;
-  padding-bottom: 8px;
-}
-.close {
-  float: right;
-  padding-top: 8px;
-  padding-bottom: 8px;
-}
-input {
-  display: inline-block;
-  width: 50%;
-}
-.text {
-  margin: 20px;
-}
-</style>
diff --git a/cateditor/src/components/MaterialList.vue b/cateditor/src/components/MaterialList.vue
new file mode 100644
index 0000000..a3575be
--- /dev/null
+++ b/cateditor/src/components/MaterialList.vue
@@ -0,0 +1,114 @@
+<template>
+  <v-container>
+    <v-card>
+      <v-card flat color="grey lighten-4" >
+        <v-card-title>Styles</v-card-title>
+      </v-card>
+      <!-- <v-toolbar dense>
+           <v-toolbar-title>Categories</v-toolbar-title>
+           <v-spacer></v-spacer>
+           <v-btn icon><v-icon>add</v-icon></v-btn>
+           </v-toolbar> -->
+
+      <draggable v-model="materials" group="materials">
+        <div v-for="item in materials" :key="item.id">
+          <v-hover
+            :key="item.id"
+            :materialid="item.id">
+            <v-list-tile
+              slot-scope="{ hover }"
+              :class="listItemClasses(item.id, hover)"
+              @click="selectMaterial(item.id)"
+            >
+              <v-list-tile-content>
+                <v-list-tile-title><b>{{ item.id }}</b> {{ item.name }}</v-list-tile-title>
+                <v-list-tile-sub-title v-html="item.color"></v-list-tile-sub-title>
+              </v-list-tile-content>
+
+              <v-list-tile-action>
+                <span class="group">
+                  <v-btn icon @click="popInfo(item.id)">
+                    <v-icon small color="grey lighten-1">info</v-icon>
+                  </v-btn>
+                  <v-btn icon @click="popDelete(item.id)">
+                    <v-icon small color="grey lighten-1">delete</v-icon>
+                  </v-btn>
+                </span>
+              </v-list-tile-action>
+
+            </v-list-tile>
+          </v-hover>
+        </div>
+      </draggable>
+    </v-card>
+
+    <!-- <v-flex xs5>
+         <RawDisplayer :value="materials" title="Data" />
+         </v-flex> -->
+
+  </v-container>
+</template>
+
+<script>
+import draggable from 'vuedraggable'
+import SelectionMixin from './SelectionMixin'
+/* import RawDisplayer from './RawDisplayer' */
+/* import SectionInfoDialog from './SectionInfoDialog'
+ * import SectionDeleteDialog from './SectionDeleteDialog' */
+
+export default {
+  mixins: [SelectionMixin],
+  components: {
+    draggable,
+    /* SectionInfoDialog,
+     * SectionDeleteDialog, */
+    /*     RawDisplayer */
+  },
+  /* props: {
+   * }, */
+  /* data: () => ({
+   * }), */
+  computed: {
+    materials: {
+      get () {
+        if (this.selectedFamilyID != null) {
+          let family = this.selectedFamily()
+          return this.findMaterials(family.materials)
+        } else if (this.selectedModelID != null) {
+          // TODO
+          return []
+        } else {
+          return []
+        }
+      },
+      /* set (value) {
+       *   // TODO complicated logic
+       * } */
+    },
+  },
+  methods: {
+    listItemClasses: function (id, hovering) {
+      /* if (id === this.selectedMaterial) {
+        return 'primary'
+      } else */
+      if (hovering) {
+        return 'grey lighten-4'
+      } else {
+        return ''
+      }
+    },
+    popInfo: function (id) {
+      this.selectMaterial(id)
+      //this.showSectionPopup = true
+    },
+    popDelete: function (id) {
+      this.selectMaterial(id)
+      //this.showDeleteSectionPopup = true
+    },
+  }
+}
+</script>
+
+<style scoped>
+
+</style>
diff --git a/cateditor/src/components/ProductFamilyList.vue b/cateditor/src/components/ProductFamilyList.vue
new file mode 100644
index 0000000..63ed3a8
--- /dev/null
+++ b/cateditor/src/components/ProductFamilyList.vue
@@ -0,0 +1,113 @@
+<template>
+  <v-container>
+    <v-card>
+      <v-card flat color="grey lighten-4" >
+        <v-card-title>Product Families</v-card-title>
+      </v-card>
+
+      <draggable v-model="families" group="categories">
+        <div v-for="item in families" :key="item.id">
+          <v-hover :key="item.id">
+            <v-list-tile
+              slot-scope="{ hover }"
+              :class="listItemClasses(item.id, hover)"
+              @click="selectFamily(item.id)"
+            >
+              <v-list-tile-content>
+                <v-list-tile-title v-html="item.name"></v-list-tile-title>
+                <v-list-tile-sub-title v-html="item.models.length"></v-list-tile-sub-title>
+              </v-list-tile-content>
+
+              <v-list-tile-action>
+                <span class="group">
+                  <v-btn icon @click.stop="popInfo(item.id)">
+                    <v-icon small color="grey lighten-1">info</v-icon>
+                  </v-btn>
+                  <v-btn icon @click.stop="popDelete(item.id)">
+                    <v-icon small color="grey lighten-1">delete</v-icon>
+                  </v-btn>
+                </span>
+              </v-list-tile-action>
+            </v-list-tile>
+          </v-hover>
+        </div>
+      </draggable>
+
+    </v-card>
+
+    <!-- <v-flex xs5>
+         <RawDisplayer :value="families" title="Data" />
+         </v-flex> -->
+
+    <!-- <SectionInfoDialog v-model="showInfoPopup" v-bind:section="selectedSectionID"/>
+         <SectionDeleteDialog v-model="showDeletePopup" v-bind:section="selectedSectionID"/> -->
+  </v-container>
+</template>
+
+<script>
+import draggable from 'vuedraggable'
+import SelectionMixin from './SelectionMixin'
+/* import RawDisplayer from './RawDisplayer' */
+/* import SectionInfoDialog from './SectionInfoDialog'
+ * import SectionDeleteDialog from './SectionDeleteDialog' */
+
+export default {
+  mixins: [SelectionMixin],
+  components: {
+    draggable,
+    /* SectionInfoDialog,
+     * SectionDeleteDialog, */
+    /*     RawDisplayer, */
+  },
+  props: {
+    selected: Number,
+  },
+  data: () => ({
+    showInfoPopup: false,
+    showDeletePopup: false,
+  }),
+  computed: {
+    families: {
+      get () {
+        return this.selectedFamilies()
+      },
+      set (value) {
+        // TODO complicated logic
+        //this.$store.dispatch('SET_CAT_SECTIONS', value)
+      }
+    },
+    /*currentSectionData: {
+      get () {
+        return this.$store.getters.SELECTED_SECTION
+      },
+    },*/
+  },
+  methods: {
+    listChoose: function (evt) {
+      var id = Number(evt.item.firstChild.getAttribute('familyid'))
+      this.selectFamily(id)
+    },
+    listItemClasses: function (id, hovering) {
+      if (id === this.selectedFamilyID) {
+        return 'primary'
+      } else if (hovering) {
+        return 'grey lighten-4'
+      } else {
+        return ''
+      }
+    },
+    popInfo: function (id) {
+      this.selectFamily(id)
+      this.showInfoPopup = true
+    },
+    popDelete: function (id) {
+      this.selectFamily(id)
+      this.showDeletePopup = true
+    },
+  }
+}
+</script>
+
+<style scoped>
+
+</style>
diff --git a/cateditor/src/components/CategoryDeleteDialog.vue b/cateditor/src/components/SectionDeleteDialog.vue
similarity index 80%
rename from cateditor/src/components/CategoryDeleteDialog.vue
rename to cateditor/src/components/SectionDeleteDialog.vue
index cf5f7e6..17dd3b0 100644
--- a/cateditor/src/components/CategoryDeleteDialog.vue
+++ b/cateditor/src/components/SectionDeleteDialog.vue
@@ -2,10 +2,10 @@
   <v-layout row justify-center>
     <v-dialog v-model="show" max-width="250">
       <v-card>
-        <v-card-title>Delete Category</v-card-title>
+        <v-card-title>Delete Section</v-card-title>
 
         <v-card-text>
-          Really delete category:
+          Really delete section:
           <input v-model="name"/>
         </v-card-text>
 
@@ -26,7 +26,7 @@ export default {
   }),
   props: {
     value: Boolean,
-    category: {
+    section: {
       type: Number,
       required: false
     }
@@ -42,7 +42,8 @@ export default {
     },
     name: {
       get () {
-        var section = this.$store.getters.CAT_SECTION(this.category)
+        var sectionID = this.$store.getters.SELECTED_SECTION_ID
+        var section = this.$store.getters.CAT_SECTION(sectionID)
         return section ? section.name : '(none)'
       }
     }
diff --git a/cateditor/src/components/CategoryInfoDialog.vue b/cateditor/src/components/SectionInfoDialog.vue
similarity index 80%
rename from cateditor/src/components/CategoryInfoDialog.vue
rename to cateditor/src/components/SectionInfoDialog.vue
index 821d2d1..72d7c08 100644
--- a/cateditor/src/components/CategoryInfoDialog.vue
+++ b/cateditor/src/components/SectionInfoDialog.vue
@@ -3,14 +3,13 @@
     <v-dialog v-model="show" width="250">
       <v-card>
         <v-toolbar dark dense>
-          <v-toolbar-title>Category Info</v-toolbar-title>
+          <v-toolbar-title>Section Info</v-toolbar-title>
           <v-spacer></v-spacer>
           <v-btn icon @click="show = false"><v-icon>close</v-icon></v-btn>
         </v-toolbar>
 
         <v-card-text>
           <v-text-field v-model="name" label="Name" required></v-text-field>
-          <input v-model="category"/>
           <input v-model="families"/>
           <input v-model="models"/>
           <input v-model="materials"/>
@@ -30,16 +29,11 @@
 // https://stackoverflow.com/questions/48035310/open-a-vuetify-dialog-from-a-component-template-in-vuejs
 export default {
   data: () => ({
-    /*     name: 'Trailhead (Men)', */
     models: '5 models',
     materials: '12 materials'
   }),
   props: {
     value: Boolean,
-    category: {
-      type: Number,
-      required: false
-    }
   },
   computed: {
     show: {
@@ -52,15 +46,18 @@ export default {
     },
     name: {
       get () {
-        var section = this.$store.getters.CAT_SECTION(this.category)
+        var sectionID = this.$store.getters.SELECTED_SECTION_ID
+        var section = this.$store.getters.CAT_SECTION(sectionID)
         return section ? section.name : '(none)'
       },
       set (value) {
+        var sectionID = this.$store.getters.SELECTED_SECTION_ID
         this.$store.dispatch('SET_CAT_SECTION_NAME',
-                             { id: this.category, name: value })
+                             { id: sectionID, name: value })
       }
     },
     families () {
+      // TODO
       return this.$store.getters.CAT_FAMILIES
     }
   }
diff --git a/cateditor/src/components/SectionList.vue b/cateditor/src/components/SectionList.vue
new file mode 100644
index 0000000..155d0e1
--- /dev/null
+++ b/cateditor/src/components/SectionList.vue
@@ -0,0 +1,120 @@
+<template>
+  <v-container>
+    <v-card>
+      <v-card flat color="grey lighten-4" >
+        <v-card-title>Sections</v-card-title>
+      </v-card>
+
+      <!-- <v-toolbar dense>
+        <v-toolbar-title>Sections</v-toolbar-title>
+        <v-spacer></v-spacer>
+        <v-btn icon>
+          <v-tooltip top>
+            <template v-slot:activator="{ on }">
+              <v-icon v-on="on">add</v-icon>
+            </template>
+            <span>Add new section</span>
+          </v-tooltip>
+        </v-btn>
+      </v-toolbar> -->
+
+      <draggable v-model="sections" group="categories">
+        <div v-for="item in sections" :key="item.id">
+          <v-hover :key="item.id">
+            <v-list-tile
+              slot-scope="{ hover }"
+              :class="listItemClasses(item.id, hover)"
+              @click="selectSection(item.id)"
+            >
+              <v-list-tile-content>
+                <v-list-tile-title v-html="item.name"></v-list-tile-title>
+                <v-list-tile-sub-title color="text--grey lighten-1">12 models</v-list-tile-sub-title>
+              </v-list-tile-content>
+
+              <v-list-tile-action>
+                <span class="group">
+                  <v-btn icon @click.stop="popInfo(item.id)">
+                    <v-icon small color="grey lighten-1">info</v-icon>
+                  </v-btn>
+                  <v-btn icon @click.stop="popDelete(item.id)">
+                    <v-icon small color="grey lighten-1">delete</v-icon>
+                  </v-btn>
+                </span>
+              </v-list-tile-action>
+
+            </v-list-tile>
+          </v-hover>
+        </div>
+      </draggable>
+    </v-card>
+
+    <!--<v-flex xs5>
+         <RawDisplayer :value="sections" title="Data" />
+         </v-flex>-->
+
+    <SectionInfoDialog v-model="showSectionPopup" v-bind:section="selectedSectionID"/>
+    <SectionDeleteDialog v-model="showDeleteSectionPopup" v-bind:section="selectedSectionID"/>
+  </v-container>
+</template>
+
+<script>
+import draggable from 'vuedraggable'
+import SelectionMixin from './SelectionMixin'
+/* import RawDisplayer from './RawDisplayer' */
+import SectionInfoDialog from './SectionInfoDialog'
+import SectionDeleteDialog from './SectionDeleteDialog'
+
+export default {
+  mixins: [SelectionMixin],
+  components: {
+    draggable,
+    SectionInfoDialog,
+    SectionDeleteDialog,
+    // RawDisplayer,
+  },
+  props: {
+    selected: Number
+  },
+  data: () => ({
+    showSectionPopup: false,
+    showDeleteSectionPopup: false,
+  }),
+  computed: {
+    sections: {
+      get () {
+        return this.$store.getters.CAT_SECTIONS
+      },
+      set (value) {
+        this.$store.dispatch('SET_CAT_SECTIONS', value)
+      }
+    },
+  },
+  methods: {
+    listChoose: function (evt) {
+      var id = Number(evt.item.firstChild.getAttribute('sectionid'))
+      this.selectSection(id)
+    },
+    listItemClasses: function (id, hovering) {
+      if (id === this.selectedSectionID) {
+        return 'primary'
+      } else if (hovering) {
+        return 'grey lighten-4'
+      } else {
+        return ''
+      }
+    },
+    popInfo: function (id) {
+      this.selectSection(id)
+      this.showSectionPopup = true
+    },
+    popDelete: function (id) {
+      this.selectSection(id)
+      this.showDeleteSectionPopup = true
+    }
+  }
+}
+</script>
+
+<style scoped>
+
+</style>
diff --git a/cateditor/src/components/SelectionMixin.js b/cateditor/src/components/SelectionMixin.js
new file mode 100644
index 0000000..dd6bf5c
--- /dev/null
+++ b/cateditor/src/components/SelectionMixin.js
@@ -0,0 +1,111 @@
+const SelectionMixin = { // eslint-disable-line no-unused-vars
+  computed: {
+    selectedSectionID: {
+      get () {
+        return this.$store.getters.SELECTED_SECTION_ID
+      },
+      set (value) {
+        this.$store.dispatch('SET_SELECTED_SECTION_ID', value)
+      }
+    },
+    selectedFamilyID: {
+      get () {
+        return this.$store.getters.SELECTED_FAMILY_ID
+      },
+      set (value) {
+        this.$store.dispatch('SET_SELECTED_FAMILY_ID', value)
+      }
+    },
+    selectedModelID: {
+      get () {
+        return this.$store.getters.SELECTED_MODEL_ID
+      },
+      set (value) {
+        this.$store.dispatch('SET_SELECTED_MODEL_ID', value)
+      }
+    },
+    selectedMaterial: {
+      get () {
+        return this.$store.getters.SELECTED_MATERIAL_ID
+      },
+      set (value) {
+        this.$store.dispatch('SET_SELECTED_MATERIAL_ID', value)
+      }
+    },
+  },
+  methods: {
+    selectSection: function (id) {
+      this.selectedSectionID = id
+      // this.selectedFamilyID = null
+      // this.selectedModelID = null
+      // this.selectedMaterial = null
+    },
+    selectFamily: function (id) {
+      this.selectedFamilyID = id
+      // this.selectedModelID = null
+      // this.selectedMaterial = null
+    },
+    selectModel: function (id) {
+      this.selectedModelID = id
+      // this.selectedFamilyID = null
+      // this.selectedMaterial = null
+    },
+    selectMaterial: function (id) {
+      this.selectedMaterial = id
+    },
+    selectedFamilies: function () {
+      let section = this.$store.getters.CAT_SECTION(this.selectedSectionID)
+      let ids = this.sectionIDs(section)
+      let materials = this.findMaterials(ids)
+      return this.makeFamilies(materials)
+    },
+    selectedFamily: function () {
+      let families = this.selectedFamilies()
+      return families.find(s => s.id === this.selectedFamilyID)
+    },
+    sectionIDs: function (section) {
+      let ids = []
+
+      if (section !== undefined) {
+        for (let page of section.pages) {
+          for (let block of page) {
+            ids.push(...block.ids)
+          }
+        }
+      }
+
+      return ids
+    },
+    findMaterials: function (ids) {
+      return ids.map(id => this.$store.getters.MATERIAL(id))
+    },
+    makeFamilies: function (materials) {
+      let families = []
+
+      for (let mat of materials) {
+        let family = families.length > 0 ? families[families.length - 1] : null
+
+        if (family === null || family.id !== mat.family) {
+          // new family
+          family = { id: mat.family,
+                     name: mat.name, // TODO where does this come from?
+                     models: [mat.model],
+                     materials: [mat.id] }
+          families.push(family)
+        } else {
+          // add to existing
+          family.materials.push(mat.id)
+          family.models.push(mat.model)
+          family.models = this.uniquify(family.models)
+        }
+      }
+
+      return families
+    },
+    uniquify: function (arr) {
+      return [...new Set(arr)]
+    },
+  }
+}
+
+export default SelectionMixin
diff --git a/cateditor/src/store/index.js b/cateditor/src/store/index.js
index a313223..d58cdb1 100644
--- a/cateditor/src/store/index.js
+++ b/cateditor/src/store/index.js
@@ -7,16 +7,61 @@ export const store = new Vuex.Store({
   state: {
     catalog: {
       name: 'my catalog',
-      sections: [{ id: 1, name: 'trailhead (men)' },
-                 { id: 2, name: 'trailhead (women)' },
-                 { id: 3, name: 'waterfront (men)' },
-                 { id: 4, name: 'waterfront (women)' }],
-      families: 5,
-      models: 12,
-      materials: 27
-    }
+      owner: 12,
+      created: '2019-04-04T22:00:14Z',
+      sections: [
+        { id: 1,
+          name: 'Trailhead (Men)',
+          pages: [
+            [{ name: 'model name override', size: 2, ids: ['1001001', '1001002'] },
+             { size: 1, ids: ['1001011', '1001012'] }], // one page, two blocks
+            [{ size: 1, ids: ['1001021'] }],
+          ],
+        },
+        { id: 2,
+          name: 'Waterfront (Men)',
+          pages: [
+            [{ size: 1, ids: ['1001021'] }],
+          ],
+        },
+      ],
+    },
+    materials: {
+      '1001001': { id: '1001001', // call them sap maybe?
+                   model: 'AW123',
+                   family: 'MF123',
+                   name: 'Targhee WP',
+                   color: 'Green / Blue' },
+      '1001002': { id: '1001002',
+                   model: 'AW123',
+                   family: 'MF123',
+                   name: 'Targhee WP',
+                   color: 'Red / Purple' },
+      '1001011': { id: '1001011',
+                   model: 'WA999',
+                   family: 'MF123',
+                   name: 'Targhee WP FA',
+                   color: 'Green / Blue' },
+      '1001012': { id: '1001012',
+                   model: 'WA999',
+                   family: 'MF123',
+                   name: 'Targhee WP FA',
+                   color: 'Green / Blue' },
+      '1001021': { id: '1001021',
+                   model: 'BBB22',
+                   family: 'BBBMF',
+                   name: 'Slither',
+                   color: 'Green / Blue' },
+    },
+    selectedSectionID: null,
+    selectedFamilyID: null,
+    selectedModelID: null,
+    selectedMaterial: null,
   },
   getters: {
+    //
+    // catalog info
+    //
     CAT_NAME: state => {
       return state.catalog.name
     },
@@ -26,9 +71,30 @@ export const store = new Vuex.Store({
     CAT_SECTION: (state) => (id) => {
       return state.catalog.sections.find(s => s.id === id)
     },
-    CAT_FAMILIES: state => {
-      return state.catalog.families + ' product families'
-    }
+    //
+    // selection info
+    //
+    SELECTED_SECTION_ID: state => {
+      return state.selectedSectionID
+    },
+    // SELECTED_SECTION: state => {
+    //   return store.getters.CAT_SECTION(state.selectedSectionID)
+    // },
+    SELECTED_FAMILY_ID: state => {
+      return state.selectedFamilyID
+    },
+    SELECTED_MODEL_ID: state => {
+      return state.selectedModelID
+    },
+    SELECTED_MATERIAL_ID: state => {
+      return state.selectedMaterial
+    },
+    //
+    // material info
+    //
+    MATERIAL: (state) => (id) => {
+      return state.materials[id]
+    },
   },
   mutations: {
     SET_CAT_SECTIONS: (state, payload) => {
@@ -37,7 +103,26 @@ export const store = new Vuex.Store({
     SET_CAT_SECTION_NAME: (state, payload) => {
       var section = state.catalog.sections.find(s => s.id === payload.id)
       section.name = payload.name
-    }
+    },
+    SET_SELECTED_SECTION_ID: (state, payload) => {
+      state.selectedSectionID = payload
+      state.selectedFamilyID = null
+      state.selectedModelID = null
+      state.selectedMaterial = null
+    },
+    SET_SELECTED_FAMILY_ID: (state, payload) => {
+      state.selectedFamilyID = payload
+      state.selectedModelID = null
+      state.selectedMaterial = null
+    },
+    SET_SELECTED_MODEL_ID: (state, payload) => {
+      state.selectedModelID = payload
+      state.selectedFamilyID = null
+      state.selectedMaterial = null
+    },
+    SET_SELECTED_MATERIAL_ID: (state, payload) => {
+      state.selectedMaterial = payload
+    },
   },
   actions: {
     SET_CAT_SECTIONS: (context, payload) => {
@@ -45,10 +130,22 @@ export const store = new Vuex.Store({
     },
     SET_CAT_SECTION_NAME: (context, payload) => {
       context.commit('SET_CAT_SECTION_NAME', payload)
-    }
-  //   SAVE_TODO : async (context,payload) => {
-  //     let { data } = await Axios.post('http://yourwebsite.com/api/todo')
-  //     context.commit('ADD_TODO',payload)
-  //   },
+    },
+    SET_SELECTED_SECTION_ID: (context, payload) => {
+      context.commit('SET_SELECTED_SECTION_ID', payload)
+    },
+    SET_SELECTED_FAMILY_ID: (context, payload) => {
+      context.commit('SET_SELECTED_FAMILY_ID', payload)
+    },
+    SET_SELECTED_MODEL_ID: (context, payload) => {
+      context.commit('SET_SELECTED_MODEL_ID', payload)
+    },
+    SET_SELECTED_MATERIAL_ID: (context, payload) => {
+      context.commit('SET_SELECTED_MATERIAL_ID', payload)
+    },
+    //   SAVE_TODO : async (context,payload) => {
+    //     let { data } = await Axios.post('http://yourwebsite.com/api/todo')
+    //     context.commit('ADD_TODO',payload)
+    //   },
   }
 })