user facing seat plan

src/webapp/src/components/seatplan/userApp/seatplanComponents/seats/circular.vue

@@ -0,0 +1,119 @@
+<!--
+*				libreevent - properties.vue
+*
+*	Created by Janis Hutz 05/12/2023, Licensed under the GPL V3 License
+*			https://janishutz.com, development@janishutz.com
+*
+*
+-->
+
+<template>
+    <div id="circularSeatplan">
+        <div v-for="row in seats">
+            <span class="material-symbols-outlined seats" v-for="seat in row" :style="seat.style">living</span>
+        </div>
+    </div>
+</template>
+
+<style scoped>
+.seats {
+    position: absolute;
+}
+</style>
+
+<script>
+export default {
+    name: 'circularSeatplanComponent',
+    props: {
+        h: {
+            type: Number,
+            "default": 100,
+        },
+        w: {
+            type: Number,
+            "default": 200,
+        },
+        scaleFactor: {
+            type: Number,
+            "default": 1,
+        },
+        origin: {
+            type: Number,
+            "default": 1,
+        },
+        startingRow: {
+            type: Number,
+            "default": 1,
+        },
+        id: {
+            type: Number,
+            "default": 1
+        }
+    },
+    data () {
+        return {
+            seats: {},
+        }
+    },
+    methods: {
+        calculateChairs () {
+            // Size of seat at scale 1 is 32px
+            // w & h are normalised
+            let w = Math.round( this.w / this.scaleFactor );
+            let h = Math.round( this.h / this.scaleFactor );
+            const size = 33;
+            let count = Math.min( Math.floor( w / size ), Math.floor( h / size ) );
+            this.seats = {};
+            let details = { 'data': {}, 'id': this.id };
+            for ( let row = this.startingRow; row < count; row++ ) {
+                let nn = row * ( Math.PI / 2 );
+                details.data[ row ] = Math.floor( nn );
+                let r = row * size;
+                this.seats[ row ] = {};
+                for ( let n = 0; n < nn; n++ ) {
+                    let phi = n * size / ( row * size );
+                    if ( this.origin === 1 ) {
+                        this.seats[ row ][ n ] = { 'style': `font-size: ${this.scaleFactor * 200}%; bottom: ${ r * Math.cos( phi ) * this.scaleFactor }px; left: ${ r * Math.sin( phi ) * this.scaleFactor }px; rotate: ${ phi }rad` };
+                    } else if ( this.origin === 2 ) {
+                        this.seats[ row ][ n ] = { 'style': `font-size: ${this.scaleFactor * 200}%; bottom: ${ r * Math.cos( phi ) * this.scaleFactor }px; right: ${ r * Math.sin( phi ) * this.scaleFactor }px; rotate: ${ Math.PI * 2 - phi }rad` };
+                    } else if ( this.origin === 3 ) {
+                        this.seats[ row ][ n ] = { 'style': `font-size: ${this.scaleFactor * 200}%; top: ${ r * Math.cos( phi ) * this.scaleFactor }px; right: ${ r * Math.sin( phi ) * this.scaleFactor }px; rotate: ${ phi + Math.PI }rad` };
+                    } else if ( this.origin === 4 ) {
+                        this.seats[ row ][ n ] = { 'style': `font-size: ${this.scaleFactor * 200}%; top: ${ r * Math.cos( phi ) * this.scaleFactor }px; left: ${ r * Math.sin( phi ) * this.scaleFactor }px; rotate: ${ Math.PI - phi }rad` };
+                    }
+                }
+            }
+            this.$emit( 'seatingInfo', details );
+        },
+        setScaleFactor () {
+            for ( let row in this.seats ) {
+                for ( let seat in this.seats[ row ] ) {
+                    let styles = this.seats[ row ][ seat ].style.substring( this.seats[ row ][ seat ].style.indexOf( ';' ) + 1 );
+                    this.seats[ row ][ seat ].style = `font-size: ${this.scaleFactor * 200}%;` + styles;
+                }
+            }
+        }
+    },
+    watch: {
+        scaleFactor() {
+            this.setScaleFactor();
+        },
+        h() {
+            this.calculateChairs();
+        },
+        w() {
+            this.calculateChairs();
+        },
+        origin() {
+            this.calculateChairs();
+        },
+        startingRow() {
+            this.calculateChairs();
+        }
+    },
+    created() {
+        this.calculateChairs();
+    }
+}
+</script>
+

src/webapp/src/components/seatplan/userApp/seatplanComponents/seats/rectangular.vue

@@ -0,0 +1,105 @@
+<!--
+*				libreevent - properties.vue
+*
+*	Created by Janis Hutz 05/12/2023, Licensed under the GPL V3 License
+*			https://janishutz.com, development@janishutz.com
+*
+*
+-->
+
+<template>
+    <div id="rectangularSeatplan">
+        <div v-for="row in seats" class="rows">
+            <span class="material-symbols-outlined seats" v-for="seat in row" :style="seat.style" @click="selectSeat( seat.id )">living</span>
+        </div>
+    </div>
+</template>
+
+<style scoped>
+    .seats {
+        position: absolute;
+    }
+</style>
+
+<script>
+export default {
+    name: 'rectangularSeatplanComponent',
+    props: {
+        h: {
+            type: Number,
+            "default": 100,
+        },
+        w: {
+            type: Number,
+            "default": 200,
+        },
+        scaleFactor: {
+            type: Number,
+            "default": 1,
+        },
+        origin: {
+            type: Number,
+            "default": 1,
+        },
+        id: {
+            type: Number,
+            "default": 1
+        }
+    },
+    data () {
+        return {
+            seats: {},
+        }
+    },
+    methods: {
+        calculateChairs () {
+            // Size of seat at scale 1 is 32px
+            // w & h are normalised
+            let w = Math.floor( this.w / this.scaleFactor );
+            let h = Math.floor( this.h / this.scaleFactor );
+            const size = 33;
+            this.seats = {};
+            for ( let row = 0; row < Math.floor( h / size ); row++ ) {
+                this.seats[ row ] = {};
+                for ( let n = 0; n < Math.floor( w / size ); n++ ) {
+                    if ( this.origin === 1 ) {
+                        this.seats[ row ][ n ] = { 'style': `font-size: ${this.scaleFactor * 200}%; bottom: ${ row * size * this.scaleFactor }px; left: ${ n * size * this.scaleFactor }px; rotate: ${ this.origin / 4 - 0.25 }turn;` };
+                    } else if ( this.origin === 2 ) {
+                        this.seats[ row ][ n ] = { 'style': `font-size: ${this.scaleFactor * 200}%; bottom: ${ row * size * this.scaleFactor }px; right: ${ n * size * this.scaleFactor }px; rotate: ${ this.origin / 4 - 0.25 }turn;` };
+                    } else if ( this.origin === 3 ) {
+                        this.seats[ row ][ n ] = { 'style': `font-size: ${this.scaleFactor * 200}%; top: ${ row * size * this.scaleFactor }px; right: ${ n * size * this.scaleFactor }px; rotate: ${ this.origin / 4 - 0.25 }turn;` };
+                    } else if ( this.origin === 4 ) {
+                        this.seats[ row ][ n ] = { 'style': `font-size: ${this.scaleFactor * 200}%; top: ${ row * size * this.scaleFactor }px; left: ${ n * size * this.scaleFactor }px; rotate: ${ this.origin / 4 - 0.25 }turn;` };
+                    }
+                }
+            }
+        },
+        setScaleFactor () {
+            for ( let row in this.seats ) {
+                for ( let seat in this.seats[ row ] ) {
+                    let styles = this.seats[ row ][ seat ].style.substring( this.seats[ row ][ seat ].style.indexOf( ';' ) + 1 );
+                    this.seats[ row ][ seat ].style = `font-size: ${this.scaleFactor * 200}%;` + styles;
+                }
+            }
+        }
+    },
+    watch: {
+        scaleFactor() {
+            this.setScaleFactor();
+        },
+        h() {
+            this.calculateChairs();
+        },
+        w() {
+            this.calculateChairs();
+        },
+        origin() {
+            this.calculateChairs();
+        }
+    },
+    created() {
+        this.calculateChairs();
+    }
+}
+</script>
+

src/webapp/src/components/seatplan/userApp/seatplanComponents/seats/trapezoid.vue

@@ -0,0 +1,122 @@
+<!--
+*				libreevent - properties.vue
+*
+*	Created by Janis Hutz 05/12/2023, Licensed under the GPL V3 License
+*			https://janishutz.com, development@janishutz.com
+*
+*
+-->
+
+<template>
+    <div id="trapezoidSeatplan">
+        <div v-for="row in seats">
+            <span class="material-symbols-outlined seats" v-for="seat in row" :style="seat.style">living</span>
+        </div>
+    </div>
+</template>
+
+<style scoped>
+.seats {
+    position: absolute;
+}
+</style>
+
+<script>
+export default {
+    name: 'trapezoidSeatplanComponent',
+    props: {
+        h: {
+            type: Number,
+            "default": 100,
+        },
+        w: {
+            type: Number,
+            "default": 200,
+        },
+        scaleFactor: {
+            type: Number,
+            "default": 1,
+        },
+        origin: {
+            type: Number,
+            "default": 1,
+        },
+        startingRow: {
+            type: Number,
+            "default": 1,
+        },
+        id: {
+            type: Number,
+            "default": 1
+        }
+    },
+    data () {
+        return {
+            seats: {},
+        }
+    },
+    methods: {
+        calculateChairs () {
+            // Size of seat at scale 1 is 32px
+            // w & h are normalised
+            let w = Math.round( this.w / this.scaleFactor );
+            let h = Math.round( this.h / this.scaleFactor );
+            const size = 33;
+            let side = Math.min( w, h ) + 20;
+            let heightTriangle = Math.floor( Math.sqrt( side ** 2 - ( Math.sqrt( side ** 2 * 2 ) / 2 ) ) )
+            let sideOffset = size / Math.sqrt( 2 );
+            let count = Math.floor( heightTriangle / ( sideOffset * 2 ) );
+            const angle = Math.PI / 4;
+            this.seats = {};
+            let details = { 'data': {}, 'id': this.id };
+            for ( let row = this.startingRow; row < count; row++ ) {
+                let nn = 2 + ( row - 1 ) * 2; 
+                this.seats[ row ] = {};
+                details.data[ row ] = Math.floor( nn );
+                for ( let n = 0; n < nn; n++ ) {
+                    let side = n * sideOffset;
+                    if ( this.origin === 1 ) {
+                        this.seats[ row ][ n ] = { 'style': `font-size: ${this.scaleFactor * 200}%; bottom: ${ ( side + 5 ) * this.scaleFactor }px; left: ${ ( row * sideOffset * 2 - side ) * this.scaleFactor }px; rotate: ${ angle }rad` };
+                    } else if ( this.origin === 2 ) {
+                        this.seats[ row ][ n ] = { 'style': `font-size: ${this.scaleFactor * 200}%; bottom: ${ ( side + 5 ) * this.scaleFactor }px; right: ${ ( row * sideOffset * 2 - side ) * this.scaleFactor }px; rotate: ${ Math.PI * 2 - angle }rad` };
+                    } else if ( this.origin === 3 ) {
+                        this.seats[ row ][ n ] = { 'style': `font-size: ${this.scaleFactor * 200}%; top: ${ ( side + 5 ) * this.scaleFactor }px; right: ${ ( row * sideOffset * 2 - side ) * this.scaleFactor }px; rotate: ${ angle + Math.PI }rad` };
+                    } else if ( this.origin === 4 ) {
+                        this.seats[ row ][ n ] = { 'style': `font-size: ${this.scaleFactor * 200}%; top: ${ ( side + 5 ) * this.scaleFactor }px; left: ${ ( row * sideOffset * 2 - side ) * this.scaleFactor }px; rotate: ${ Math.PI - angle }rad` };
+                    }
+                }
+            }
+            this.$emit( 'seatingInfo', details );
+        },
+        setScaleFactor () {
+            for ( let row in this.seats ) {
+                for ( let seat in this.seats[ row ] ) {
+                    let styles = this.seats[ row ][ seat ].style.substring( this.seats[ row ][ seat ].style.indexOf( ';' ) + 1 );
+                    this.seats[ row ][ seat ].style = `font-size: ${this.scaleFactor * 200}%;` + styles;
+                }
+            }
+        }
+    },
+    watch: {
+        scaleFactor() {
+            this.setScaleFactor();
+        },
+        h() {
+            this.calculateChairs();
+        },
+        w() {
+            this.calculateChairs();
+        },
+        origin() {
+            this.calculateChairs();
+        },
+        startingRow() {
+            this.calculateChairs();
+        }
+    },
+    created() {
+        this.calculateChairs();
+    }
+}
+</script>
+

src/webapp/src/components/seatplan/userApp/seatplanComponents/stages.vue

@@ -0,0 +1,110 @@
+<!--
+*				libreevent - stages.vue
+*
+*	Created by Janis Hutz 05/12/2023, Licensed under the GPL V3 License
+*			https://janishutz.com, development@janishutz.com
+*
+*
+-->
+
+<template>
+    <div id="stages" class="stages">
+        <div id="rectangular" v-if="shape == 'rectangular'" class="stages" :style="style"></div>
+        <div id="trapezoid" v-else-if="shape == 'trapezoid'" class="stages"><div id="trapezoid-ingredient" :style="trapezoidStyle"><div id="trapezoid-line"></div></div></div>
+        <div id="circular" v-else-if="shape == 'circular'" class="stages"><div id="circular-ingredient" :style="circularStyle"></div></div>
+    </div>
+</template>
+
+<style scoped>
+.stages {
+    height: 100%;
+    width: 100%;
+}
+
+#rectangular {
+    border-color: black;
+    border-width: 2px;
+    background-color: var( --popup-color );
+}
+
+#circular, #trapezoid {
+    overflow: hidden;
+}
+
+#trapezoid-ingredient {
+    display: flex;
+    justify-content: center;
+    align-items: flex-end;
+    height: 200%;
+    width: 200%;
+    position: relative;
+    bottom: 50%;
+    right: 50%;
+}
+
+#trapezoid-line {
+    border: black solid 1px;
+    height: 50%;
+    width: 100%;
+    display: block;
+    background-color: var( --popup-color );
+}
+
+#circular-ingredient {
+    border: solid black 2px;
+    border-radius: 100%;
+    height: 199%;
+    width: 199%;
+    position: relative;
+    background-color: var( --popup-color );
+}
+</style>
+
+<script>
+export default {
+    name: 'stagesSeatplanComponent',
+    props: {
+        origin: {
+            type: Number,
+            "default": 1,
+        },
+        shape: {
+            type: String,
+            "default": "rectangular",
+        },
+    },
+    data() {
+        return {
+            style: 'border-style: none none solid none',
+            circularStyle: 'top: 0; left 100%;',
+            trapezoidStyle: 'rotate: 45deg',
+        }
+    },
+    methods: {
+        updateOrigin () {
+            if ( this.origin === 1 ) {
+                this.style = 'border-style: none none solid none';
+                this.circularStyle = 'top: 0; right: 100%;';
+            } else if ( this.origin === 2 ) {
+                this.style = 'border-style: none solid none none';
+                this.circularStyle = 'top: 0; right: 0;';
+            } else if ( this.origin === 3 ) {
+                this.style = 'border-style: solid none none none';
+                this.circularStyle = 'top: -100%; right: 0;';
+            } else if ( this.origin === 4 ) {
+                this.style = 'border-style: none none none solid';
+                this.circularStyle = 'top: -100%; right: 100%;';
+            }
+        }
+    },
+    watch: {
+        origin ( value ) {
+            this.updateOrigin();
+        }
+    },
+    created() {
+        this.updateOrigin();
+    }
+}
+</script>
+

src/webapp/src/components/seatplan/userApp/seatplanComponents/standing.vue

@@ -0,0 +1,109 @@
+<!--
+*				libreevent - standing.vue
+*
+*	Created by Janis Hutz 05/12/2023, Licensed under the GPL V3 License
+*			https://janishutz.com, development@janishutz.com
+*
+*
+-->
+
+<template>
+    <div id="stages" class="stages">
+        <div id="rectangular" v-if="shape == 'rectangular'" class="stages" :style="style"></div>
+        <div id="trapezoid" v-else-if="shape == 'trapezoid'" class="stages"><div id="trapezoid-ingredient" :style="trapezoidStyle"><div id="trapezoid-line"></div></div></div>
+        <div id="circular" v-else-if="shape == 'circular'" class="stages"><div id="circular-ingredient" :style="circularStyle"></div></div>
+    </div>
+</template>
+
+<style scoped>
+.stages {
+    height: 100%;
+    width: 100%;
+}
+
+#rectangular {
+    border-color: black;
+    border-width: 2px;
+}
+
+#circular, #trapezoid {
+    overflow: hidden;
+}
+
+#trapezoid-ingredient {
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    height: 200%;
+    width: 200%;
+    position: relative;
+    bottom: 50%;
+    right: 50%;
+}
+
+#trapezoid-line {
+    border: black solid 1px;
+    height: 50%;
+    width: 100%;
+    display: block;
+    background-color: var( --popup-color );
+}
+
+#circular-ingredient {
+    border: solid black 2px;
+    border-radius: 100%;
+    height: 199%;
+    width: 199%;
+    position: relative;
+    background-color: var( --popup-color );
+}
+</style>
+
+<script>
+export default {
+    name: 'stagesSeatplanComponent',
+    props: {
+        origin: {
+            type: Number,
+            "default": 1,
+        },
+        shape: {
+            type: String,
+            "default": "rectangular",
+        },
+    },
+    data() {
+        return {
+            style: 'border-style: none none solid none',
+            circularStyle: 'top: 0; left 100%;',
+            trapezoidStyle: 'rotate: 45deg',
+        }
+    },
+    methods: {
+        updateOrigin () {
+            if ( this.origin === 1 ) {
+                this.style = 'border-style: none none solid none';
+                this.circularStyle = 'top: 0; right: 100%;';
+            } else if ( this.origin === 2 ) {
+                this.style = 'border-style: none solid none none';
+                this.circularStyle = 'top: 0; right: 0;';
+            } else if ( this.origin === 3 ) {
+                this.style = 'border-style: solid none none none';
+                this.circularStyle = 'top: -100%; right: 0;';
+            } else if ( this.origin === 4 ) {
+                this.style = 'border-style: none none none solid';
+                this.circularStyle = 'top: -100%; right: 100%;';
+            }
+        }
+    },
+    watch: {
+        origin ( value ) {
+            this.updateOrigin();
+        }
+    },
+    created() {
+        this.updateOrigin();
+    }
+}
+</script>
+

src/webapp/src/components/seatplan/userApp/seatplanComponents/textField.vue

@@ -0,0 +1,69 @@
+<!--
+*				libreevent - textField.vue
+*
+*	Created by Janis Hutz 07/01/2023, Licensed under the GPL V3 License
+*			https://janishutz.com, development@janishutz.com
+*
+*
+-->
+
+<template>
+    <div id="textFields">
+        <p :style="style">{{ text }}</p>
+    </div>
+</template>
+
+<script>
+export default {
+    name: 'textFieldSeatplanComponent',
+    props: {
+        origin: {
+            type: Number,
+            "default": 1,
+        },
+        text: {
+            type: String,
+            "default": "Untitled",
+        },
+        textSize: {
+            type: Number,
+            "default": 20,
+        },
+        scaleFactor: {
+            type: Number,
+            "default": 1,
+        },
+        colour: {
+            type: String,
+            "default": '#000000',
+        }
+    },
+    data() {
+        return {
+            style: 'font-size: 20pt; rotate: 0deg; color: #000000',
+        }
+    },
+    methods: {
+        updateStyle () {
+            this.style = `font-size: ${ this.scaleFactor * this.textSize }pt; rotate: ${ 90 * this.origin - 90 }deg; color: ${this.colour}`;
+        }
+    },
+    watch: {
+        origin ( value ) {
+            this.updateStyle();
+        },
+        scaleFactor ( value ) {
+            this.updateStyle();
+        },
+        colour ( value ) {
+            this.updateStyle();
+        },
+        textSize ( value ) {
+            this.updateStyle();
+        }
+    },
+    created() {
+        this.updateStyle();
+    }
+}
+</script>

src/webapp/src/components/seatplan/userApp/userWindow.vue

@@ -9,11 +9,11 @@
 
 <template>
     <div id="window">
-        <!-- TODO: Add additional div with v-if to check if a location has been selected and warn if not so. -->
+        <h2>Seat plan: {{ event.name }}</h2>
-        <div class="parent" id="parent">
+        <div class="parent" id="parent" @wheel="( e ) => { handleScroll( e ); }" @mousemove="( e ) => { handleDrag( e ); }" @mousedown="( e ) => { setOffset( e ); }">
             <div class="content-parent">
                 <Vue3DraggableResizable v-for="draggable in draggables" :initW="draggable.w" :initH="draggable.h" :x="draggable.x" :y="draggable.y" :w="draggable.w" :h="draggable.h"
-                    :active="false" :draggable="false" :resizable="false" :parent="true" @contextmenu="( e ) => { e.preventDefault(); }" class="draggable-box">
+                    :active="false" :draggable="false" :resizable="false" :parent="true" class="draggable-box">
                     <circularSeatplanComponent v-if="draggable.shape == 'circular' && draggable.type == 'seat'" :scale-factor="scaleFactor" :w="draggable.w" :h="draggable.h" :origin="draggable.origin" :starting-row="draggable.startingRow"></circularSeatplanComponent>
                     <trapezoidSeatplanComponent v-else-if="draggable.shape == 'trapezoid' && draggable.type == 'seat'" :scale-factor="scaleFactor" :w="draggable.w" :h="draggable.h" :origin="draggable.origin" :starting-row="draggable.startingRow"></trapezoidSeatplanComponent>
                     <rectangularSeatplanComponent v-else-if="draggable.shape == 'rectangular' && draggable.type == 'seat'" :scale-factor="scaleFactor" :w="draggable.w" :h="draggable.h" :origin="draggable.origin"></rectangularSeatplanComponent>
@@ -23,18 +23,23 @@
                 </Vue3DraggableResizable>
             </div>
         </div>
+        <div class="toolbar">
+            <button title="Zoom in [+]" @click="zoom( 0.2 )"><span class="material-symbols-outlined">zoom_in</span></button>
+            <button title="Reset zoom [=]" @click="zoom( 1 );"><span class="material-symbols-outlined">center_focus_strong</span></button>
+            <button title="Zoom out [-]" @click="zoom( -0.2 )"><span class="material-symbols-outlined">zoom_out</span></button>
+        </div>
         <notifications ref="notification" location="topleft"></notifications>
     </div>
 </template>
 
 <script>
     import Vue3DraggableResizable from 'vue3-draggable-resizable';
-    import circularSeatplanComponent from '@/components/seatplan/seatplanComponents/seats/circular.vue';
+    import circularSeatplanComponent from '@/components/seatplan/userApp/seatplanComponents/seats/circular.vue';
-    import rectangularSeatplanComponent from '@/components/seatplan/seatplanComponents/seats/rectangular.vue';
+    import rectangularSeatplanComponent from '@/components/seatplan/userApp/seatplanComponents/seats/rectangular.vue';
-    import trapezoidSeatplanComponent from '@/components/seatplan/seatplanComponents/seats/trapezoid.vue';
+    import trapezoidSeatplanComponent from '@/components/seatplan/userApp/seatplanComponents/seats/trapezoid.vue';
-    import stagesSeatplanComponent from '@/components/seatplan/seatplanComponents/stages.vue';
+    import stagesSeatplanComponent from '@/components/seatplan/userApp/seatplanComponents/stages.vue';
-    import standingSeatplanComponent from '@/components/seatplan/seatplanComponents/standing.vue';
+    import standingSeatplanComponent from '@/components/seatplan/userApp/seatplanComponents/standing.vue';
-    import textFieldSeatplanComponent from '@/components/seatplan/seatplanComponents/textField.vue';
+    import textFieldSeatplanComponent from '@/components/seatplan/userApp/seatplanComponents/textField.vue';
     import notifications from '@/components/notifications/notifications.vue';
     import 'vue3-draggable-resizable/dist/Vue3DraggableResizable.css';
 
@@ -54,12 +59,14 @@
             return {
                 active: 0,
                 draggables: { 1: { 'x': 100, 'y':100, 'h': 100, 'w': 250, 'active': false, 'draggable': true, 'resizable': true, 'id': 1, 'origin': 1, 'shape':'rectangular', 'type': 'seat', 'startingRow': 1, 'seatCountingStartingPoint': 1, 'sector': 'A', 'text': { 'text': 'TestText', 'textSize': 20, 'colour': '#20FFFF' } }, 'ticketCount': 1 },
+                event: { 'name': 'TestEvent2', 'location': 'TestLocation2', 'date': '2023-07-15', 'RoomName': 'TestRoom2', 'currency': 'CHF', 'categories': { '1': { 'price': { '1':25, '2':35 }, 'bg': 'black', 'fg': 'white', 'name': 'Category 1' }, '2': { 'price': { '1':15, '2':20 }, 'bg': 'green', 'fg': 'white', 'name': 'Category 2' } }, 'ageGroups': { '1':{ 'id': 1, 'name':'Child', 'age':'0 - 15.99' }, '2':{ 'id': 2, 'name': 'Adult', 'age': null } }, 'ageGroupCount': 2, 'maxTickets': 2 },
                 available: { 'redo': false, 'undo': false },
                 scaleFactor: 1,
                 sizePoll: null,
                 prevSize: { 'h': window.innerHeight, 'w': window.innerWidth },
                 zoomFactor: 1,
-                historyPos: 0,
+                standardDeviation: { 'currentTop': 0, 'currentLeft': 0 },
+                movePos: { 'top': 0, 'left': 0, 'isMoving': false, 'isSet': false },
                 generalSettings: { 'namingScheme': 'numeric' },
             }
         },
@@ -85,22 +92,7 @@
                         - Ctrl + Y: Redo
                 */
                 document.onkeydown = function ( event ) {
-                    if ( event.key === 'Delete' ) {
+                    if ( event.key === '+' ) {
-                        event.preventDefault();
-                        self.deleteSelected();
-                    } else if ( event.ctrlKey && event.key === 's' ) {
-                        event.preventDefault();
-                        self.saveDraft();
-                    } else if ( ( event.ctrlKey && event.key === 'y' ) ) {
-                        event.preventDefault();
-                        self.historyOp( 'redo' );
-                    } else if ( event.ctrlKey && event.key === 'z' ) {
-                        event.preventDefault();
-                        self.historyOp( 'undo' );
-                    } else if ( event.ctrlKey && event.key === 'i' ) {
-                        event.preventDefault();
-                        self.addNewElement();
-                    } else if ( event.key === '+' ) {
                         self.zoom( 0.2 );
                     } else if ( event.key === '-' ) {
                         self.zoom( -0.2 );
@@ -110,7 +102,9 @@
                 };
 
                 this.loadSeatplan();
-                // TODO: Add warning for untested browsers & suboptimal window sizes!
+                sessionStorage.setItem( 'seatplan', JSON.stringify( this.scaleDown( this.draggables ) ) );
+                // TODO: remove scaleDown function again once backend is up
+                // TODO: Optimise for odd screen sizes and aspect ratios
             },
             eventHandler ( e ) {
                 if ( this.prevSize.h != window.innerHeight || this.prevSize.w != window.innerWidth ) {
@@ -118,6 +112,56 @@
                     this.loadSeatplan();
                 }
             },
+            handleScroll ( e ) {
+                e.preventDefault();
+                if ( e.deltaY > 0 ) {
+                    this.zoom( 0.2 );
+                } else {
+                    this.zoom( -0.2 );
+                }
+            },
+            setOffset( e ) {
+                this.standardDeviation.currentLeft = e.clientX;
+                this.standardDeviation.currentTop = e.clientY;
+            },
+            handleDrag ( e ) {
+                if ( e.buttons === 1 ) {
+                    let parent = document.getElementById( 'parent' );
+                    if ( !this.movePos.isSet ) {
+                        this.movePos.left = parent.scrollWidth - parent.scrollLeft;
+                        this.movePos.top = parent.scrollHeight - parent.scrollTop;
+                        this.movePos.isSet = true;
+                    }
+                    this.movePos.isMoving = true;
+                    e.preventDefault();
+                    let valueTop = parent.scrollHeight - ( e.clientY - this.standardDeviation.currentTop + this.movePos.top );
+                    let valueLeft = parent.scrollWidth - ( e.clientX - this.standardDeviation.currentLeft + this.movePos.left );
+                    parent.scrollTop = valueTop > 0 ? valueTop : 0;
+                    parent.scrollLeft = valueLeft > 0 ? valueLeft : 0;
+                } else {
+                    if ( this.movePos.isMoving ) {
+                        let parent = document.getElementById( 'parent' );
+                        this.movePos.left = parent.scrollWidth - parent.scrollLeft;
+                        this.movePos.top = parent.scrollHeight - parent.scrollTop;
+                        this.movePos.isMoving = false;
+                    }
+                };
+            },
+            scaleDown ( valueArray ) {
+                const allowedAttributes = [ 'w', 'h', 'x', 'y' ]
+                let returnArray = {};
+                for ( let entry in valueArray ) {
+                    returnArray[ entry ] = {};
+                    for ( let attributes in valueArray[ entry ] ) {
+                        if ( allowedAttributes.includes( attributes ) ) {
+                            returnArray[ entry ][ attributes ] = Math.round( ( valueArray[ entry ][ attributes ] / this.scaleFactor ) * 1000 ) / 1000;
+                        } else {
+                            returnArray[ entry ][ attributes ] = valueArray[ entry ][ attributes ];
+                        }
+                    }
+                }
+                return returnArray;
+            },
             loadSeatplan () {
                 /* 
                     Calculate scale factor (this adds support for differently sized screens)
@@ -134,7 +178,6 @@
                     this.draggables = this.scaleUp( JSON.parse( sessionStorage.getItem( 'seatplan' ) ) );
                 }
 
-
                 for ( let element in this.draggables ) {
                     if ( this.draggables[ element ].active ) {
                         this.draggables[ element ].active = false;
@@ -142,7 +185,7 @@
                 }
             },
             scaleUp ( valueArray ) {
-                const allowedAttributes = [ 'w', 'h', 'x', 'y' ]
+                const allowedAttributes = [ 'w', 'h', 'x', 'y' ];
                 let returnArray = {};
                 for ( let entry in valueArray ) {
                     returnArray[ entry ] = {};
@@ -156,11 +199,6 @@
                 }
                 return returnArray;
             },
-            handleUpdate ( value ) {
-                this.draggables = value;
-                this.selectedObject = value;
-                this.saveHistory();
-            },
             zoom ( scale ) {
                 if ( scale == 1 ) {
                     this.zoomFactor = 1;
@@ -168,11 +206,7 @@
                     this.loadSeatplan();
                 } else {
                     if ( ( this.zoomFactor < 0.3 && scale < 0 ) || ( this.zoomFactor > 2.9 && scale > 0 ) ) {
-                        if ( this.zoomFactor < 0.3 ) {
+                        
-                            this.$refs.notification.createNotification( 'Minimum zoom factor reached', 5, 'warning', 'normal' );
-                        } else {
-                            this.$refs.notification.createNotification( 'Maximum zoom factor reached', 5, 'warning', 'normal' );
-                        }
                     } else {
                         this.zoomFactor += scale;
                     }
@@ -193,10 +227,10 @@
 
 <style scoped>
     .parent {
-        height: 90vh;
+        height: 80vh;
         aspect-ratio: 16 / 9;
-        top: 7.5vh;
+        top: 17vh;
-        left: 3vw;
+        left: 10vw;
         position: absolute;
         border: black 1px solid;
         user-select: none;
@@ -206,7 +240,7 @@
     }
 
     .draggable-box {
-        cursor: all-scroll;
+        cursor: default;
     }
 
     .properties {
@@ -232,13 +266,9 @@
 
     .toolbar {
         display: flex;
-        flex-direction: column;
+        position: fixed;
-        justify-content: center;
+        top: 17vh;
-        align-items: center;
+        left: 10.5vw;
-        position: absolute;
-        top: 7.5vh;
-        left: 0.5vw;
-        height: 90vh;
     }
     .toolbar button {
         margin-top: 10%;

src/webapp/src/views/TicketsOrderingView.vue

@@ -22,7 +22,7 @@
 </style>
 
 <script>
-    import seatplan from '@/components/seatplan.vue';
+    import seatplan from '@/components/seatplan/userApp/userWindow.vue';
     import noseatplan from '@/components/noseatplan.vue';
 
     export default {