From 1121fb9388c23f9433e1f79dea9ac90b82453362 Mon Sep 17 00:00:00 2001
From: Ron Lucke <lucke@elan-ev.de>
Date: Mon, 20 Jan 2025 11:34:28 +0000
Subject: Polishing: Courseware

Closes #5102

Merge request studip/studip!3851
---
 resources/assets/stylesheets/mixins/colors.scss    |  2 +
 .../stylesheets/scss/courseware/blockadder.scss    |  9 +++-
 .../scss/courseware/layouts/ribbon.scss            |  4 +-
 .../scss/courseware/structural-element.scss        | 21 --------
 .../stylesheets/scss/courseware/toolbar.scss       | 58 ++++------------------
 resources/assets/stylesheets/scss/dialog.scss      | 22 +++++++-
 resources/assets/stylesheets/scss/feedback.scss    |  6 +--
 .../assets/stylesheets/scss/table_of_contents.scss |  2 +-
 resources/assets/stylesheets/scss/variables.scss   |  2 +
 resources/vue/components/Datepicker.vue            |  3 ++
 resources/vue/components/StudipDialog.vue          |  7 ++-
 .../courseware/layouts/CoursewareTab.vue           |  6 +--
 .../structural-element/CoursewareToolsContents.vue |  1 -
 .../structural-element/CoursewareToolsUnits.vue    |  2 +-
 .../CoursewareToolsUnitsItem.vue                   | 14 ++++--
 .../structural-element/CoursewareTreeItem.vue      |  6 ++-
 .../courseware/toolbar/CoursewareToolbarBlocks.vue | 49 +++++++++---------
 .../toolbar/CoursewareToolbarClipboard.vue         | 28 ++++-------
 .../toolbar/CoursewareToolbarContainers.vue        | 25 ++++------
 .../unit/CoursewareUnitItemDialogLayout.vue        |  2 +-
 20 files changed, 118 insertions(+), 151 deletions(-)

diff --git a/resources/assets/stylesheets/mixins/colors.scss b/resources/assets/stylesheets/mixins/colors.scss
index 249a6df..c1d5f96 100644
--- a/resources/assets/stylesheets/mixins/colors.scss
+++ b/resources/assets/stylesheets/mixins/colors.scss
@@ -281,6 +281,8 @@ $color--tile-marker-active: $color--green-1;
 $color--tile-marker-attention: $color--yellow-1;
 $color--tile-title-background: $color--gray-6;
 
+$color--scrollbar-thumb: $color--gray-5;
+
 $color--content-box-border: $color--gray-6;
 $color--content-box-header: $color--gray-6;
 $color--content-box-background: $color--white;
diff --git a/resources/assets/stylesheets/scss/courseware/blockadder.scss b/resources/assets/stylesheets/scss/courseware/blockadder.scss
index f393641..8086fe7 100644
--- a/resources/assets/stylesheets/scss/courseware/blockadder.scss
+++ b/resources/assets/stylesheets/scss/courseware/blockadder.scss
@@ -9,7 +9,7 @@
         display: flex;
         position: relative;
         border: solid thin var(--color--tile-border);
-        background-color: var(--white);
+        background-color: var(--color--global-background);
         max-width: 268px;
 
         .cw-sortable-handle {
@@ -114,10 +114,13 @@
 
 .cw-container-style-selector {
     display: flex;
+    border-bottom: solid thin var(--color--content-box-border);
+    padding-bottom: 8px;
     margin-bottom: 8px;
 
     label {
         border: solid thin var(--color--tile-border);
+        border-right: none;
         padding: calc(0.5em + 32px) 1em 0.5em 1em;
         color: var(--base-color);
         text-align: center;
@@ -126,6 +129,10 @@
         background-repeat: no-repeat;
         cursor: pointer;
 
+        &:last-child {
+            border-right: solid thin var(--color--tile-border);
+        }
+
         &.full {
             @include background-icon(column-full, $size: 32px);
         }
diff --git a/resources/assets/stylesheets/scss/courseware/layouts/ribbon.scss b/resources/assets/stylesheets/scss/courseware/layouts/ribbon.scss
index fe9d9c4..c04407b 100644
--- a/resources/assets/stylesheets/scss/courseware/layouts/ribbon.scss
+++ b/resources/assets/stylesheets/scss/courseware/layouts/ribbon.scss
@@ -280,7 +280,7 @@ $consum_ribbon_width: calc(100% - 58px);
     &.cw-ribbon-slide-leave-active {
         transition: transform var(--transition-duration-superslow);
     }
-    &.cw-ribbon-slide-enter,
+    &.cw-ribbon-slide-enter-from,
     &.cw-ribbon-slide-leave-to {
         transform: translateX(calc(100% + 30px));
     }
@@ -359,7 +359,7 @@ $consum_ribbon_width: calc(100% - 58px);
                         overflow-y: auto;
                         overflow-x: hidden;
                         scrollbar-width: thin;
-                        scrollbar-color: var(--base-color) var(--white);
+                        scrollbar-color: var(--color--scrollbar-thumb) var(--white);
 
                         &.cw-ribbon-tool-blockadder-tab {
                             height: 100%;
diff --git a/resources/assets/stylesheets/scss/courseware/structural-element.scss b/resources/assets/stylesheets/scss/courseware/structural-element.scss
index 46fe3dd..8142aac 100644
--- a/resources/assets/stylesheets/scss/courseware/structural-element.scss
+++ b/resources/assets/stylesheets/scss/courseware/structural-element.scss
@@ -214,24 +214,3 @@
         }
     }
 }
-
-.studip-dialog-with-tab {
-    .studip-dialog-body .studip-dialog-content {
-        padding: 0 4px;
-        .cw-tab-in-dialog {
-            .cw-tabs-nav {
-                border: none;
-                border-bottom: solid thin var(--content-color-40);
-                margin-bottom: 4px;
-            }
-            .cw-tabs-content {
-                border: none;
-                min-width: 500px;
-                min-height: 400px;
-                overflow-y: auto;
-                scrollbar-width: thin;
-                scrollbar-color: var(--base-color) var(--dark-gray-color-5);
-            }
-        }
-    }
-}
diff --git a/resources/assets/stylesheets/scss/courseware/toolbar.scss b/resources/assets/stylesheets/scss/courseware/toolbar.scss
index 23bb42a..78a67e2 100644
--- a/resources/assets/stylesheets/scss/courseware/toolbar.scss
+++ b/resources/assets/stylesheets/scss/courseware/toolbar.scss
@@ -39,64 +39,24 @@
 
         .cw-toolbar-tool-content {
             overflow-y: auto;
-            padding-right: 8px;
+            scrollbar-width: thin;
+            scrollbar-color: var(--color--scrollbar-thumb) var(--white);
+            padding-right: 6px;
         }
 
         .cw-toolbar-blocks {
-            .input-group.files-search {
-                &.search {
-                    border: thin solid var(--dark-gray-color-30);
-                    margin-bottom: 0px;
-                    input {
-                        border: none;
-                    }
-                }
-    
-                .input-group-append {
-                    .button {
-                        border: none;
-                        border-left: thin solid var(--dark-gray-color-30);
-                        &.active {
-                            background-color: var(--base-color);
-                        }
-                    }
-                    .reset-search {
-                        border: none;
-                        background-color: var(--white);
-                    }
-                }
-    
-                .active-filter {
-                    display: flex;
-                    align-items: center;
-                    justify-content: space-between;
-                    border: solid thin var(--black);
-                    background-color: var(--content-color-10);
-                    margin: 3px;
-                    padding: 2px 3px;
-    
-                    .removefilter {
-                        border: none;
-                        background-color: transparent;
-                    }
-                }
+            .input-group.files-search.search {
+                margin-bottom: 0;
             }
     
             .cw-block-search {
                 width: inherit;
             }
     
-            .filterpanel {
-                margin-bottom: 5px;
-                padding: 2px;
-                border: thin solid var(--dark-gray-color-30);
-                border-top: none;
-                background-color: #fff;
-    
-                .button {
-                    min-width: inherit;
-                    margin: 4px 2px;
-                }
+            .cw-toolbar-tool-header {
+                border-bottom: solid thin var(--color--content-box-border);
+                margin-bottom: 8px;
+                padding-bottom: 8px;
             }
 
         }
diff --git a/resources/assets/stylesheets/scss/dialog.scss b/resources/assets/stylesheets/scss/dialog.scss
index 6a5b29b..e11375c 100644
--- a/resources/assets/stylesheets/scss/dialog.scss
+++ b/resources/assets/stylesheets/scss/dialog.scss
@@ -321,6 +321,7 @@ v u e  d i a l o g
     align-items: center;
     z-index: 1001;
 }
+
 .studip-dialog-body {
     position: absolute;
     background: var(--white);
@@ -411,8 +412,27 @@ v u e  d i a l o g
             @include background-icon(question-circle-full, status-yellow, 32px);
         }
     }
-
+    &.studip-dialog-with-tab {
+        .studip-dialog-content {
+           padding: 0 4px;
+           .cw-tab-in-dialog {
+               .cw-tabs-nav {
+                   border: none;
+                   border-bottom: solid thin var(--color--content-box-border);
+                   margin-bottom: 4px;
+               }
+               .cw-tabs-content {
+                   border: none;
+                   overflow-y: auto;
+                   scrollbar-width: thin;
+                   scrollbar-color: var(--color--scrollbar-thumb) var(--dark-gray-color-5);
+               }
+           }
+       }
+   }
 }
+
+
 /* * * * * * * * * * * * *
 v u e  d i a l o g  e n d
 * * * * * * * * * * * * */
diff --git a/resources/assets/stylesheets/scss/feedback.scss b/resources/assets/stylesheets/scss/feedback.scss
index 5e11197..993bc1f 100644
--- a/resources/assets/stylesheets/scss/feedback.scss
+++ b/resources/assets/stylesheets/scss/feedback.scss
@@ -134,10 +134,10 @@ vue feedback components
         }
     }
     .five-stars-histogram-chart {
-        min-width: 260px;
+        min-width: 270px;
         span {
             display: inline-block;
-            width: 2em;
+            width: 30px;
         }
         img {
             vertical-align: text-bottom;
@@ -147,7 +147,7 @@ vue feedback components
             display: inline-block;
             background-color: var(--content-color-10);
             width: calc(100% - 6em);
-            margin: 2px 10px;
+            margin: 4px 10px;
             .percentage-bar {
                 background-color: var(--yellow);
                 color: transparent;
diff --git a/resources/assets/stylesheets/scss/table_of_contents.scss b/resources/assets/stylesheets/scss/table_of_contents.scss
index e2db2b6..ef8077c 100644
--- a/resources/assets/stylesheets/scss/table_of_contents.scss
+++ b/resources/assets/stylesheets/scss/table_of_contents.scss
@@ -57,7 +57,7 @@ ul.numberedchapters {
     &.cw-ribbon-slide-leave-active {
         transition: transform var(--transition-duration-superslow);
     }
-    &.cw-ribbon-slide-enter,
+    &.cw-ribbon-slide-enter-from,
     &.cw-ribbon-slide-leave-to {
         transform: translateX(calc(100% + 30px));
     }
diff --git a/resources/assets/stylesheets/scss/variables.scss b/resources/assets/stylesheets/scss/variables.scss
index b7b54f8..9ef3881 100644
--- a/resources/assets/stylesheets/scss/variables.scss
+++ b/resources/assets/stylesheets/scss/variables.scss
@@ -272,6 +272,8 @@ $button-icons: (
     --color--tile-marker-attention: #{$color--tile-marker-attention};
     --color--tile-title-background: #{$color--tile-title-background};
 
+    --color--scrollbar-thumb: #{$color--scrollbar-thumb};
+
     --color--content-box-border: #{$color--content-box-border};
     --color--content-box-header: #{$color--content-box-header};
     --color--content-box-background: #{$color--content-box-background};
diff --git a/resources/vue/components/Datepicker.vue b/resources/vue/components/Datepicker.vue
index eaedc83..9aeadf1 100644
--- a/resources/vue/components/Datepicker.vue
+++ b/resources/vue/components/Datepicker.vue
@@ -68,6 +68,9 @@ export default {
             return params;
         },
         returnValue() {
+            if (this.modelValue === null) {
+                return '';
+            }
             if (this.returnAs === 'unix') {
                 return this.convertInputToUnixTimestamp(this.modelValue);
             }
diff --git a/resources/vue/components/StudipDialog.vue b/resources/vue/components/StudipDialog.vue
index 0861d19..ab42f48 100644
--- a/resources/vue/components/StudipDialog.vue
+++ b/resources/vue/components/StudipDialog.vue
@@ -27,8 +27,11 @@
                         >
                             <div
                                 :style="{ width: dialogWidth, height: dialogHeight, top: top, left: left }"
-                                :class="{ 'studip-dialog-warning': question, 'studip-dialog-alert': alert }"
-                                class="studip-dialog-body"
+                                :class="[
+                                    { 'studip-dialog-warning': question, 'studip-dialog-alert': alert },
+                                    'studip-dialog-body',
+                                    $attrs.class
+                                ]"
                                 role="dialog"
                                 aria-modal="true"
                                 :aria-labelledby="dialogTitleId"
diff --git a/resources/vue/components/courseware/layouts/CoursewareTab.vue b/resources/vue/components/courseware/layouts/CoursewareTab.vue
index 5e1f20b..1f5b31a 100644
--- a/resources/vue/components/courseware/layouts/CoursewareTab.vue
+++ b/resources/vue/components/courseware/layouts/CoursewareTab.vue
@@ -1,5 +1,5 @@
 <template>
-    <div v-if="isActive">
+    <div v-if="isActive" role="tabpanel" class="cw-tab">
         <slot></slot>
     </div>
 </template>
@@ -29,7 +29,7 @@ export default {
     },
     mounted() {
         this.index = this.$parent.tabs.length;
-        this.addTab({ name: this.name, icon: this.icon});
+        this.addTab({ name: this.name, icon: this.icon });
     },
 };
-</script>
\ No newline at end of file
+</script>
diff --git a/resources/vue/components/courseware/structural-element/CoursewareToolsContents.vue b/resources/vue/components/courseware/structural-element/CoursewareToolsContents.vue
index 2842ace..432695e 100644
--- a/resources/vue/components/courseware/structural-element/CoursewareToolsContents.vue
+++ b/resources/vue/components/courseware/structural-element/CoursewareToolsContents.vue
@@ -14,7 +14,6 @@
             </div>
         </component>
         <courseware-tree v-if="structuralElements.length" />
-        <courseware-tree-units v-if="context.type === 'courses'" />
     </div>
 </template>
 
diff --git a/resources/vue/components/courseware/structural-element/CoursewareToolsUnits.vue b/resources/vue/components/courseware/structural-element/CoursewareToolsUnits.vue
index 29ce79c..6177868 100644
--- a/resources/vue/components/courseware/structural-element/CoursewareToolsUnits.vue
+++ b/resources/vue/components/courseware/structural-element/CoursewareToolsUnits.vue
@@ -40,7 +40,7 @@ export default {
                 this.coursewareUnits
                     .filter(
                         (unit) =>
-                            unit.relationships.range.data.id === this.context.id && unit.id !== this.currentUnit.id
+                            unit.relationships.range.data.id === this.context.id
                     )
                     .sort((a, b) => a.attributes.position - b.attributes.position) ?? []
             );
diff --git a/resources/vue/components/courseware/structural-element/CoursewareToolsUnitsItem.vue b/resources/vue/components/courseware/structural-element/CoursewareToolsUnitsItem.vue
index 9ec92ba..d577262 100644
--- a/resources/vue/components/courseware/structural-element/CoursewareToolsUnitsItem.vue
+++ b/resources/vue/components/courseware/structural-element/CoursewareToolsUnitsItem.vue
@@ -1,12 +1,12 @@
 <template>
-    <a v-if="element" class="cw-tools-units-item-header" :href="url">
+    <component :is="isCurrentUnit ? 'p' : 'a'" v-if="element" class="cw-tools-units-item-header" :href="isCurrentUnit ? '' : url">
         <studip-ident-image v-model="identimage" :baseColor="headerColor.hex" :pattern="element.attributes.title" />
         <div class="cw-tools-units-item-header-image" :style="headerImageStyle"></div>
         <div class="cw-tools-units-item-header-details">
-            <header>{{ element.attributes.title }}</header>
+            <header :class="{'current' : isCurrentUnit }">{{ element.attributes.title }}</header>
             <p>{{ element.attributes.payload.description }}</p>
         </div>
-    </a>
+    </component>
 </template>
 
 <script>
@@ -32,7 +32,11 @@ export default {
     computed: {
         ...mapGetters({
             context: 'context',
+            currentUnit: 'currentUnit',
         }),
+        isCurrentUnit() {
+            return this.currentUnit.id === this.unit.id;
+        },
         headerImageUrl() {
             return this.element.relationships?.image?.meta?.['download-url'];
         },
@@ -88,6 +92,10 @@ export default {
             margin: 0 0 6px 0;
             font-size: 16px;
             line-height: 16px;
+            &.current {
+                font-weight: 700;
+                color: var(--color--font-primary);
+            }
         }
         p {
             margin: 0;
diff --git a/resources/vue/components/courseware/structural-element/CoursewareTreeItem.vue b/resources/vue/components/courseware/structural-element/CoursewareTreeItem.vue
index 9ad0eb1..b6366b5 100644
--- a/resources/vue/components/courseware/structural-element/CoursewareTreeItem.vue
+++ b/resources/vue/components/courseware/structural-element/CoursewareTreeItem.vue
@@ -101,6 +101,8 @@
                     :siblingCount="nestedChildren.length"
                     class="cw-tree-item"
                     :elementid="element.id"
+                    :data-id="element.id"
+                    :data-parent-id="element.relationships.parent.data.id"
                     @sort="sort"
                     @moveItemUp="moveItemUp"
                     @moveItemDown="moveItemDown"
@@ -478,10 +480,10 @@ export default {
             }
 
             let data = {
-                id: e.item._underlying_vm_.id,
+                id: e.item.dataset.id,
                 newPos: e.newIndex,
                 oldPos: e.oldIndex,
-                oldParent: e.item._underlying_vm_.relationships.parent.data.id,
+                oldParent: e.item.dataset.parentId,
                 newParent: e.to.__vnode.ctx.attrs.elementId,
                 sortArray: sortArray,
             };
diff --git a/resources/vue/components/courseware/toolbar/CoursewareToolbarBlocks.vue b/resources/vue/components/courseware/toolbar/CoursewareToolbarBlocks.vue
index 82e7a08..df98bb4 100644
--- a/resources/vue/components/courseware/toolbar/CoursewareToolbarBlocks.vue
+++ b/resources/vue/components/courseware/toolbar/CoursewareToolbarBlocks.vue
@@ -1,7 +1,7 @@
 <template>
     <div class="cw-toolbar-blocks">
         <div id="cw-toolbar-blocks-header" class="cw-toolbar-tool-header">
-            <form @submit.prevent="loadSearch">
+            <form class="default" @submit.prevent="loadSearch">
                 <div class="input-group files-search search cw-block-search">
                     <input
                         ref="searchBox"
@@ -32,29 +32,26 @@
                     </span>
                 </div>
             </form>
-
-            <div id="filterpanel" class="filterpanel">
-                <form class="default">
-                  <span class="sr-only">{{ $gettext('Kategorien-Filter') }}</span>
-                  <studip-select
-                      :clearable="true"
-                      label="title"
-                      :options="blockCategories"
-                      :placeholder="$gettext('Blockkategorien')"
-                      :reduce="(category) => category.type"
-                      v-model="currentFilterCategory"
-                      >
-                      <template #open-indicator="{ selectAttributes }">
-                          <span v-bind="selectAttributes"><studip-icon shape="arr_1down" :size="10" /></span>
-                      </template>
-                      <template #no-options>
-                          {{ $gettext('Es steht keine Auswahl zur Verfügung.') }}
-                      </template>
-                      <template #selected-option="{ title }"><span>{{ title }}</span></template>
-                      <template #option="{ title }"><span>{{ title }}</span></template>
-                  </studip-select>
-                </form>
-            </div>
+            <form class="default">
+                <span class="sr-only">{{ $gettext('Kategorien-Filter') }}</span>
+                <studip-select
+                    :clearable="true"
+                    label="title"
+                    :options="blockCategories"
+                    :placeholder="$gettext('Blockkategorien')"
+                    :reduce="(category) => category.type"
+                    v-model="currentFilterCategory"
+                    >
+                    <template #open-indicator="{ selectAttributes }">
+                        <span v-bind="selectAttributes"><studip-icon shape="arr_1down" :size="10" /></span>
+                    </template>
+                    <template #no-options>
+                        {{ $gettext('Es steht keine Auswahl zur Verfügung.') }}
+                    </template>
+                    <template #selected-option="{ title }"><span>{{ title }}</span></template>
+                    <template #option="{ title }"><span>{{ title }}</span></template>
+                </studip-select>
+            </form>
         </div>
         <div class="cw-toolbar-tool-content" :style="toolContentStyle">
             <div v-if="filteredBlockTypes.length > 0" class="cw-blockadder-item-list">
@@ -149,8 +146,8 @@ export default {
             ];
         },
         toolContentStyle() {
-            const filterPanelHeight = document.getElementById("filterpanel")?.offsetHeight ?? 75;
-            const height = this.toolbarContentHeight - filterPanelHeight - 40;
+            const headerHeight = document.getElementById("cw-toolbar-blocks-header")?.offsetHeight ?? 75;
+            const height = this.toolbarContentHeight - headerHeight;
 
             return {
                 height: height + 'px',
diff --git a/resources/vue/components/courseware/toolbar/CoursewareToolbarClipboard.vue b/resources/vue/components/courseware/toolbar/CoursewareToolbarClipboard.vue
index d11d4fc..f8f392a 100644
--- a/resources/vue/components/courseware/toolbar/CoursewareToolbarClipboard.vue
+++ b/resources/vue/components/courseware/toolbar/CoursewareToolbarClipboard.vue
@@ -21,6 +21,8 @@
                         <template #item="{element}">
                             <courseware-clipboard-item
                                 :clipboard="element"
+                                :data-element-id="element.id"
+                                :data-element-type="element.attributes['object-type']"
                                 @inserted="$emit('blockAdded')"
                             />
                         </template>
@@ -56,6 +58,8 @@
                         <template #item="{element}">
                             <courseware-clipboard-item
                                 :clipboard="element"
+                                :data-element-id="element.id"
+                                :data-element-type="element.attributes['object-type']"
                             />
                         </template>
                     </draggable>
@@ -188,7 +192,7 @@ export default {
             return original;
         },
         async dropClipboardBlock(e) {
-            const target = e.to.__vnode.ctx.attrs;
+            const target = e.to.dataset;
             // only execute if dropped in destined list
             if (!target.containerId) {
                 return;
@@ -199,7 +203,8 @@ export default {
                 section: target.sectionId,
                 position: e.newIndex,
             });
-            await this.insertItem(e.item.__vnode.ctx.data.currentClipboard);
+            const clipboard = { id: e.item.dataset.elementId, attributes: { 'object-type': e.item.dataset.elementType } };
+            await this.insertItem(clipboard);
             this.resetAdderStorage();
         },
         cloneClipboardContainer(original) {
@@ -221,23 +226,8 @@ export default {
                 return;
             }
 
-            const item = e.item._underlying_vm_;
-
-            // if the container is from the clipboard, insert it via clipboard mixin, else add it via container mixin
-            if (item.clipContainer) {
-                this.insertItem(e.item.__vnode.ctx.data.currentClipboard, e.newIndex);
-            } else {
-                const data = {
-                    type: item.attributes['container-type'],
-                    colspan: item.containerStyle,
-                    sections: {
-                        firstSection: item.firstSection,
-                        secondSection: item.secondSection,
-                    },
-                    newPosition: e.newIndex,
-                };
-                this.addContainer(data);
-            }
+            const clipboard = { id: e.item.dataset.elementId, attributes: { 'object-type': e.item.dataset.elementType } };
+            this.insertItem(clipboard, e.newIndex);           
         },
     },
 };
diff --git a/resources/vue/components/courseware/toolbar/CoursewareToolbarContainers.vue b/resources/vue/components/courseware/toolbar/CoursewareToolbarContainers.vue
index 3523851..acc30b7 100644
--- a/resources/vue/components/courseware/toolbar/CoursewareToolbarContainers.vue
+++ b/resources/vue/components/courseware/toolbar/CoursewareToolbarContainers.vue
@@ -40,6 +40,7 @@
                 <courseware-container-adder-item
                     :title="element.title"
                     :type="element.type"
+                    :data-type="element.type"
                     :colspan="selectedContainerStyle"
                     :description="element.description"
                     :firstSection="firstSection"
@@ -124,23 +125,17 @@ export default {
                 return;
             }
 
-            const item = e.item._underlying_vm_;
-
-            // if the container is from the clipboard, insert it via clipboard mixin, else add it via container mixin
-            if (item.clipContainer) {
-                this.insertItem(e.item.__node.ctx.data.currentClipboard, e.newIndex);
-            } else {
-                const data = {
-                type: item.attributes['container-type'],
-                colspan: item.containerStyle,
+            const data = {
+                type: e.item.dataset.type,
+                colspan: this.selectedContainerStyle,
                 sections: {
-                        firstSection: item.firstSection,
-                        secondSection: item.secondSection
-                    },
+                        firstSection: this.firstSection,
+                        secondSection: this.secondSection
+                },
                 newPosition: e.newIndex
-                };
-                this.addContainer(data);
-            }
+            };
+            this.addContainer(data);
+            
         },
     }
 };
diff --git a/resources/vue/components/courseware/unit/CoursewareUnitItemDialogLayout.vue b/resources/vue/components/courseware/unit/CoursewareUnitItemDialogLayout.vue
index a188b44..ef18c33 100644
--- a/resources/vue/components/courseware/unit/CoursewareUnitItemDialogLayout.vue
+++ b/resources/vue/components/courseware/unit/CoursewareUnitItemDialogLayout.vue
@@ -5,7 +5,7 @@
         confirmClass="accept"
         :closeText="$gettext('Schließen')"
         closeClass="cancel"
-        height="540"
+        height="560"
         width="870"
         @close="$emit('close')"
         @confirm="storeLayout"
-- 
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