code-editor

diff --git a/codeeditor-app/app.html b/codeeditor-app/app.html
index 7fee2d9..e022ccc 100644
--- a/codeeditor-app/app.html
+++ b/codeeditor-app/app.html
@@ -4,7 +4,10 @@
     </div>
     <div class="flex-horiz">
         <code-editor style="min-width: 50%; max-width: 50%;"></code-editor>
-        <output-frame></output-frame>
+        <div>
+            <resize-handle></resize-handle>
+            <output-frame></output-frame>
+        </div>
     </div>
     <div class="flex-shrink section bottom">methods: rect, box, center, width, height, rand</div>
 </div>

diff --git a/codeeditor-app/app.less b/codeeditor-app/app.less
index 48ca5aa..af2d476 100644
--- a/codeeditor-app/app.less
+++ b/codeeditor-app/app.less
@@ -1,8 +1,11 @@
+@import url('../shared/theme.less');
+
 html, body {
     margin: 0;
     width: 100%;
     height: 100%;
     overflow: hidden;
+    background: @median-bg-white;
 }
 
 .flex-horiz {
@@ -46,41 +49,41 @@ html, body {
 }
 
 body {
-    font-family: "Segoe UI", Frutiger, "Frutiger Linotype", "Dejavu Sans", "Helvetica Neue", Arial, sans-serif;
+    font-family: @primary-font-family;
 }
 
 .section {
-    background: #e3e3e3; 
-    padding: 20px; 
-    font-size: 22px;
+    background: @primary-bg-color-white; 
+    padding: 10px; 
+    font-size: 18px;
 }
 
 .section.top {
-    border-bottom: 1px solid #c2c2c2;
+    border-bottom: 1px solid @primary-border-color-white;
 }
 
 .section.bottom {
     padding: 10px;
-    border-top: 1px solid #c2c2c2;
-    font-size: 14px;
+    border-top: 1px solid @primary-border-color-white;
+    font-size: 10px;
     text-align: right;
 }
 
 @media (prefers-color-scheme: dark) {
     body {
-        background: #1e1e1e;
+        background: @median-bg-dark;
     }
 
     .section {
-        color: white;
-        background: #2e2e2e; 
+        color: @primary-text-color-dark;
+        background: @primary-bg-color-dark; 
     }
 
     .section.top {
-        border-color: #292929;
+        border-color: @primary-border-color-dark;
     }
     
     .section.bottom {
-        border-color: #292929;
+        border-color: @primary-bg-color-dark;
     }
 }
\ No newline at end of file

diff --git a/codeeditor-app/boot.ts b/codeeditor-app/boot.ts
index abb1d96..2d4578c 100644
--- a/codeeditor-app/boot.ts
+++ b/codeeditor-app/boot.ts
@@ -5,12 +5,14 @@ import { CodeEditor } from './elements/code-editor/code-editor';
 import { OutputFrame } from './elements/output-frame/output-frame';
 import { NotificationBubbles } from './elements/notification-bubbles/notification-bubbles';
 import { NotificationBubble } from './elements/notification-bubbles/notification-bubble';
+import { ResizeHandle } from './elements/resize-handle/resize-handle';
 
 window.customElements.define('app-root', AppRoot);
 window.customElements.define('code-editor', CodeEditor);
 window.customElements.define('output-frame', OutputFrame);
 window.customElements.define('notification-bubbles', NotificationBubbles);
 window.customElements.define('notification-bubble', NotificationBubble);
+window.customElements.define('resize-handle', ResizeHandle);
 
 
 document.body.innerHTML += bootHtml;
\ No newline at end of file

diff --git a/codeeditor-app/elements/code-editor/code-editor.less b/codeeditor-app/elements/code-editor/code-editor.less
index 436801f..05271ad 100644
--- a/codeeditor-app/elements/code-editor/code-editor.less
+++ b/codeeditor-app/elements/code-editor/code-editor.less
@@ -1,5 +1,16 @@
-monaco-editor {
+@import url('../../../shared/theme.less');
+
+code-editor {
     width: 100%;
     height: 100%;
     display: block;
+    background: @editor-bg-white;
+    color: @primary-text-color-white;
+}
+
+@media (prefers-color-scheme: dark) {
+    code-editor {
+        background: @editor-bg-dark;
+        color: @primary-text-color-dark;
+    }
 }
\ No newline at end of file

diff --git a/codeeditor-app/elements/code-editor/code-editor.ts b/codeeditor-app/elements/code-editor/code-editor.ts
index 120249f..0dbffc3 100644
--- a/codeeditor-app/elements/code-editor/code-editor.ts
+++ b/codeeditor-app/elements/code-editor/code-editor.ts
@@ -73,7 +73,6 @@ export class CodeEditor extends BaseElement {
         });
 
         this.waitFor(this.outputFrame, () => {
-            console.log("setting script");
             this.outputFrame.setScript(this.input);
         });
 
@@ -100,11 +99,7 @@ export class CodeEditor extends BaseElement {
         };
     }
 
-    onUpdate(): void {
-        console.log("APP ROOT UPDATE");
-    }
-
     get outputFrame(): OutputFrame {
-        return <OutputFrame>this.findSibling("output-frame");
+        return <OutputFrame>this.find("output-frame");
     }
 }
\ No newline at end of file

diff --git a/codeeditor-app/elements/code-editor/injects/declarations.d.ts b/codeeditor-app/elements/code-editor/injects/declarations.d.ts
index dfa3838..27dccda 100644
--- a/codeeditor-app/elements/code-editor/injects/declarations.d.ts
+++ b/codeeditor-app/elements/code-editor/injects/declarations.d.ts
@@ -4,4 +4,4 @@ declare function rand(from: number, to: number): number;
 declare function center(): number;
 declare function width(): number;
 declare function height(): number;
-declare function randomColor(randomOpacity: boolean = true): string;
\ No newline at end of file
+declare function randomColor(): string;
\ No newline at end of file

diff --git a/codeeditor-app/elements/code-editor/injects/spiral-boxes-solution.js b/codeeditor-app/elements/code-editor/injects/spiral-boxes-solution.js
index c310f52..524c3ed 100644
--- a/codeeditor-app/elements/code-editor/injects/spiral-boxes-solution.js
+++ b/codeeditor-app/elements/code-editor/injects/spiral-boxes-solution.js
@@ -1,5 +1,5 @@
-const boxSize = 40;
-const stepSize = boxSize + boxSize / 4;
+const boxSize = 30;
+const stepSize = boxSize + boxSize / 1.8;
 let x = center() - boxSize / 2;
 let y = center() - boxSize / 2;
 let turns = 0;
@@ -8,7 +8,7 @@ let currentStep = 1;
 let stepsInCurrentDirection = 1;
 
 while (!isOutsizeCanvas()) {
-    box(x, y, boxSize, boxSize);
+    box(x, y, boxSize, boxSize, randomColor());
     moveAccordingToDirection();
     setNextStepAndDirection();
 }

diff --git a/codeeditor-app/elements/notification-bubbles/notification-bubble.less b/codeeditor-app/elements/notification-bubbles/notification-bubble.less
index e9a6b80..672020c 100644
--- a/codeeditor-app/elements/notification-bubbles/notification-bubble.less
+++ b/codeeditor-app/elements/notification-bubbles/notification-bubble.less
@@ -1,3 +1,5 @@
+@import url('../../../shared/theme.less');
+
 notification-bubble {
     margin: 10px;
     padding: 10px;
@@ -39,7 +41,7 @@ notification-bubble.syntax-error {
 
 @media (prefers-color-scheme: dark) {
     notification-bubble {
-        color: white;
+        color: @primary-text-color-dark;
     }
 
     notification-bubble.log {

diff --git a/codeeditor-app/elements/output-frame/output-frame.less b/codeeditor-app/elements/output-frame/output-frame.less
index 1ac7c2b..8817e43 100644
--- a/codeeditor-app/elements/output-frame/output-frame.less
+++ b/codeeditor-app/elements/output-frame/output-frame.less
@@ -1,8 +1,9 @@
+@import url('../../../shared/theme.less');
+
 output-frame {
     width: 100%;
     height: 100%;
     display: block;
-    background-color: #f0f0f0;
 }
 
 output-frame > iframe {
@@ -13,9 +14,5 @@ output-frame > iframe {
 }
 
 
-
 @media (prefers-color-scheme: dark) {
-    output-frame {
-        background-color: #272727;
-    }
 }
\ No newline at end of file

diff --git a/codeeditor-app/elements/resize-handle/resize-handle.less b/codeeditor-app/elements/resize-handle/resize-handle.less
new file mode 100644
index 0000000..650c2ed
--- /dev/null
+++ b/codeeditor-app/elements/resize-handle/resize-handle.less
@@ -0,0 +1,24 @@
+@import url('../../../shared/theme.less');
+
+resize-handle {
+    background: transparent;
+    position: absolute;
+    top: 0;
+    bottom: 0;
+    width: 8px;
+    z-index: 9;
+    cursor: ew-resize;
+    transition: 1s ease-in;
+}
+
+resize-handle:hover {
+    background: @primary-interaction-highlight-white;
+    transition: none;
+}
+
+@media (prefers-color-scheme: dark) {
+
+    resize-handle:hover {
+        background: @primary-interaction-highlight-dark;
+    }
+}
\ No newline at end of file

diff --git a/codeeditor-app/elements/resize-handle/resize-handle.ts b/codeeditor-app/elements/resize-handle/resize-handle.ts
new file mode 100644
index 0000000..65ddf91
--- /dev/null
+++ b/codeeditor-app/elements/resize-handle/resize-handle.ts
@@ -0,0 +1,65 @@
+import { BaseElement } from "../../../shared/_base";
+import { CodeEditor } from "../code-editor/code-editor";
+import './resize-handle.less';
+
+export class ResizeHandle extends BaseElement {
+
+    public isDowned = false;
+
+    onInit(): void {
+        this.setDragEvents();
+    }
+
+    setDragEvents() {
+        this.addEventListener("mousedown", (evt: MouseEvent) => {
+            this.isDowned = true;
+            this.getIframe().style.display = "none";
+        });
+
+        window.addEventListener("mousemove", (evt: MouseEvent) => {
+            if (this.isDowned) {
+                this.setPosition(evt.pageX);
+            }
+        });
+
+        window.addEventListener("mouseup", (evt: MouseEvent) => {
+            if (this.isDowned) {
+                this.getIframe().style.display = "block";
+                this.isDowned = false;
+            }
+        });
+
+        this.addEventListener("touchstart", (evt: TouchEvent) => {
+            this.isDowned = true;
+            this.getIframe().style.display = "none";
+        });
+
+        window.addEventListener("touchmove", (evt: TouchEvent) => {
+            if (this.isDowned) {
+                this.setPosition(evt.touches[0].pageX);
+            }
+        });
+
+        window.addEventListener("touchend", (evt: TouchEvent) => {
+            if (this.isDowned) {
+                this.getIframe().style.display = "block";
+                this.isDowned = false;
+            }
+        });
+    }
+
+    setPosition(x: number) {
+        var t = this.getTarget();
+
+        t.style.minWidth = x + "px";
+        t.style.maxWidth = x + "px";
+    }
+
+    getTarget() {
+        return <CodeEditor>this.find("code-editor");
+    }
+
+    getIframe() {
+        return <HTMLIFrameElement>this.find("iframe");
+    }
+}
\ No newline at end of file

diff --git a/outputframe-app/app.less b/outputframe-app/app.less
index 239385c..e290628 100644
--- a/outputframe-app/app.less
+++ b/outputframe-app/app.less
@@ -1,8 +1,11 @@
+@import url('../shared/theme.less');
+
 html, body {
     margin: 0;
     width: 100%;
     height: 100%;
     overflow: hidden;
+    color: @draw-color-white;
 }
 
 *, *::before, *::after {
@@ -10,14 +13,12 @@ html, body {
 }
 
 body {
-    font-family: "Segoe UI", Frutiger, "Frutiger Linotype", "Dejavu Sans", "Helvetica Neue", Arial, sans-serif;
-    margin: 10px;
-    background-color: #f0f0f0;
+    font-family: @primary-font-family;
+    padding: 10px;
 }
 
 @media (prefers-color-scheme: dark) {
     body {
-        background-color: #272727;
-        color: white;
+        color: @draw-color-dark;
     }
 }
\ No newline at end of file

diff --git a/outputframe-app/elements/render-canvas/render-canvas.less b/outputframe-app/elements/render-canvas/render-canvas.less
index 5a2f517..640c584 100644
--- a/outputframe-app/elements/render-canvas/render-canvas.less
+++ b/outputframe-app/elements/render-canvas/render-canvas.less
@@ -1,3 +1,5 @@
+@import url('../../../shared/theme.less');
+
 render-canvas {
     width: 100%;
     height: 100%;
@@ -16,13 +18,14 @@ render-canvas canvas {
     left: 50%;
     transform: translate(-50%, -50%);
     border: 1px solid #c2c2c2;
-    background-color: white;
+    background-color: @median-bg-white;
+    border-color: @draw-color-white;
 }
 
 
 @media (prefers-color-scheme: dark) {
     render-canvas canvas {
-        background-color: #2c2c2c;
-        border-color: #3a3a3a;
+        background-color: @median-bg-dark;
+        border-color: @draw-color-dark;
     }
 }
\ No newline at end of file

diff --git a/outputframe-app/elements/render-canvas/render-canvas.ts b/outputframe-app/elements/render-canvas/render-canvas.ts
index 036c025..ea062bf 100644
--- a/outputframe-app/elements/render-canvas/render-canvas.ts
+++ b/outputframe-app/elements/render-canvas/render-canvas.ts
@@ -1,3 +1,4 @@
+import { getLessThemeObj } from '../../../shared/less-theme-to-obj';
 import { BaseElement } from '../../../shared/_base';
 import './render-canvas.less';
 
@@ -15,6 +16,8 @@ export class RenderCanvas extends BaseElement {
 
     public prefersDarkScheme = window.matchMedia("(prefers-color-scheme: dark)");
 
+    private theme: any;
+
     onInit(): void {
         this.canvas = document.createElement("canvas");
         this.ctx = <CanvasRenderingContext2D>this.canvas.getContext("2d");
@@ -25,6 +28,8 @@ export class RenderCanvas extends BaseElement {
             this.handleCanvasResize();
         });
 
+        this.theme = getLessThemeObj();
+
         this.handleCanvasResize();
     }
 
@@ -42,11 +47,17 @@ export class RenderCanvas extends BaseElement {
         }
     }
 
-    drawPoly(points: { x: number, y: number }[], color?: string) {
+    drawPoly(points: { x: number, y: number }[], color?: string | CanvasGradient) {
         if (this.ctx && this.canvas) {
             this.canvas.style.display = "block";
-            this.ctx.fillStyle = this.getColor(true);
-            this.ctx.strokeStyle = this.getColor(false, color);
+            if (color instanceof CanvasGradient) {
+                //this.ctx.fillStyle = color;
+                this.ctx.strokeStyle = color;
+            }
+            else {
+                this.ctx.strokeStyle = this.getColor(color);
+                this.ctx.fillStyle = this.getBackgroundColor();
+            }
             this.ctx.beginPath();
 
             for (var i = 0; i < points.length; i++) {
@@ -106,12 +117,20 @@ export class RenderCanvas extends BaseElement {
         return area;
     };
 
+    angleBetweenPoints(point1: { x: number, y: number }, point2: { x: number, y: number }) {
+        // angle in radians
+        var angleRadians = Math.atan2(point2.y - point1.y, point2.x - point1.x);
+
+        // angle in degrees
+        return Math.atan2(point2.y - point1.y, point2.x - point1.x) * 180 / Math.PI;
+    }
+
     executeDrawQueue() {
         let prevShape: any | null = null;
         for (let i = 0; i < this.drawQueue.length; i++) {
             const shape = this.drawQueue[i];
 
-            if (prevShape != null) {
+            if (prevShape != null && this.ctx) {
                 var prevCenter = this.centerOf(prevShape.points);
                 var thisCenter = this.centerOf(shape.points);
 
@@ -120,8 +139,14 @@ export class RenderCanvas extends BaseElement {
                     y: (prevCenter.y + thisCenter.y) / 2
                 };
 
-                this.drawPoly([prevCenter, middle], prevShape.color);
-                this.drawPoly([middle, thisCenter], shape.color);
+                var grd = this.ctx.createLinearGradient(this.unitsToPx(prevCenter.x), this.unitsToPx(prevCenter.y), this.unitsToPx(thisCenter.x), this.unitsToPx(thisCenter.y));
+                grd.addColorStop(0, prevShape?.color ?? this.getColor());
+                grd.addColorStop(1, shape?.color ?? this.getColor());
+
+                this.drawPoly([prevCenter, thisCenter], grd);
+
+                //this.drawPoly([prevCenter, middle], prevShape.color);
+                //this.drawPoly([middle, thisCenter], shape.color);
             }
 
             prevShape = shape;
@@ -131,14 +156,14 @@ export class RenderCanvas extends BaseElement {
             const shape = this.drawQueue[i];
             this.drawPoly(shape.points, shape.color);
             var thisCenter = this.centerOf(shape.points);
-            this.drawText(thisCenter.x, thisCenter.y, (i + 1).toString(), shape.points[1].x - shape.points[0].x, shape.color);
+            this.drawText(thisCenter.x, thisCenter.y, (i + 1).toString(), this.unitsToPx((shape.points[1].x - shape.points[0].x) * 0.6), shape.color);
         }
     }
 
     drawText(x: number, y: number, text: string, size: number = 20, color?: string) {
         if (this.ctx && this.canvas) {
             this.ctx.moveTo(x, y);
-            this.ctx.fillStyle = this.getColor(false, color);
+            this.ctx.fillStyle = this.getColor(color);
             this.ctx.textAlign = 'center';
             this.ctx.textBaseline = 'middle';
             this.ctx.font = "200 " + size + "px Segoe UI";
@@ -146,8 +171,12 @@ export class RenderCanvas extends BaseElement {
         }
     }
 
-    getColor(invert: boolean = false, color?: string) {
-        return color ? color : ((invert ? !this.prefersDarkScheme.matches : this.prefersDarkScheme.matches) ? 'rgba(255,255,255,1)' : 'rgba(44,44,44,1)');
+    getColor(color?: string) {
+        return color ? color : (this.prefersDarkScheme.matches ? this.theme["@draw-color-dark"] : this.theme["@draw-color-white"]);
+    }
+
+    getBackgroundColor() {
+        return this.prefersDarkScheme.matches ? this.theme["@median-bg-dark"] : this.theme["@median-bg-white"];
     }
 
     drawRect(x: number, y: number, width: number, height: number, color?: string) {
@@ -164,6 +193,6 @@ export class RenderCanvas extends BaseElement {
 
     unitsToPx(unitNumber: number) {
         var newPPU = Math.min(this.width, this.height) / this.units.width;
-        return unitNumber * newPPU;
+        return Math.floor(unitNumber * newPPU);
     }
 }
\ No newline at end of file

diff --git a/outputframe-app/injects/dom-helpers.ts b/outputframe-app/injects/dom-helpers.ts
index a3cfc8d..b94bf72 100644
--- a/outputframe-app/injects/dom-helpers.ts
+++ b/outputframe-app/injects/dom-helpers.ts
@@ -38,6 +38,11 @@ export function executeDrawQueue(): void {
     renderCanvas.executeDrawQueue();
 }
 
-export function getRandomColor(randomOpacity: boolean = true): string {
-    return "rgba(" + getRandom(0,255) + ", " + getRandom(0,255) + ", " + getRandom(0,255) + ", " + (randomOpacity ? Math.random() + 0.1 : "1") + ")";
+export function getRandomColor(): string {
+    var prefersDarkScheme = window.matchMedia("(prefers-color-scheme: dark)");
+
+    var from = prefersDarkScheme.matches ? 127 : 0;
+    var to = prefersDarkScheme.matches ? 255 : 127;
+
+    return "rgba(" + getRandom(from,to) + ", " + getRandom(from,to) + ", " + getRandom(from,to) + ", " + ("1") + ")";
 }
\ No newline at end of file

diff --git a/shared/less-theme-to-obj.ts b/shared/less-theme-to-obj.ts
new file mode 100644
index 0000000..47de29c
--- /dev/null
+++ b/shared/less-theme-to-obj.ts
@@ -0,0 +1,17 @@
+
+import themeLess from '!!raw-loader!./theme.less';
+
+export function getLessThemeObj(): any {
+    var result: any = {};
+    var lines = themeLess.split(";");
+
+    for (let i = 0; i < lines.length; i++) {
+        const line = lines[i].trim();
+        var keyValPair = line.split(':');
+
+        if (keyValPair[0] && keyValPair[1])
+            result[keyValPair[0].trim()] = keyValPair[1].trim();
+    }
+
+    return result;
+}
\ No newline at end of file

diff --git a/shared/theme.less b/shared/theme.less
new file mode 100644
index 0000000..26758cd
--- /dev/null
+++ b/shared/theme.less
@@ -0,0 +1,17 @@
+@primary-bg-color-dark: #2e2e2e;
+@primary-border-color-dark: #292929;
+@primary-text-color-dark: white;
+@primary-interaction-highlight-dark: #385e8f;
+@editor-bg-dark: #1e1e1e;
+@median-bg-dark: #262626; 
+@draw-color-dark: #dbdbdb;
+
+@primary-bg-color-white: #e3e3e3;
+@primary-border-color-white: #c2c2c2;
+@primary-text-color-white: black;
+@primary-interaction-highlight-white: #7274b6;
+@editor-bg-white: #fffffe;
+@median-bg-white: #f0f0f0;
+@draw-color-white: #474747;
+
+@primary-font-family: "Segoe UI", Frutiger, "Frutiger Linotype", "Dejavu Sans", "Helvetica Neue", Arial, sans-serif;
\ No newline at end of file