merge from master

1 files changed, 100 insertions, 0 deletions

diff --git a/src/client/views/presentationview/PresentationModeMenu.tsx b/src/client/views/presentationview/PresentationModeMenu.tsx
new file mode 100644
index 000000000..4de8da587
--- /dev/null
+++ b/src/client/views/presentationview/PresentationModeMenu.tsx
@@ -0,0 +1,100 @@
+import React = require("react");
+import { observable, action, runInAction } from "mobx";
+import "./PresentationModeMenu.scss";
+import { observer } from "mobx-react";
+import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
+
+
+export interface PresModeMenuProps {
+    next: () => void;
+    back: () => void;
+    presStatus: boolean;
+    startOrResetPres: () => void;
+    closePresMode: () => void;
+}
+
+/**
+ * This class is responsible for modeling of the Presentation Mode Menu. The menu allows
+ * user to navigate through presentation elements, and start/stop the presentation.
+ */
+@observer
+export default class PresModeMenu extends React.Component<PresModeMenuProps> {
+
+    @observable private _top: number = 20;
+    @observable private _right: number = 0;
+    @observable private _opacity: number = 1;
+    @observable private _transition: string = "opacity 0.5s";
+    @observable private _transitionDelay: string = "";
+
+
+    private _mainCont: React.RefObject<HTMLDivElement> = React.createRef();
+
+    /**
+     * The function that changes the coordinates of the menu, depending on the
+     * movement of the mouse when it's being dragged.
+     */
+    @action
+    dragging = (e: PointerEvent) => {
+        this._right -= e.movementX;
+        this._top += e.movementY;
+
+        e.stopPropagation();
+        e.preventDefault();
+    }
+
+    /**
+     * The function that removes the event listeners that are responsible for
+     * dragging of the menu.
+     */
+    dragEnd = (e: PointerEvent) => {
+        document.removeEventListener("pointermove", this.dragging);
+        document.removeEventListener("pointerup", this.dragEnd);
+        e.stopPropagation();
+        e.preventDefault();
+    }
+
+    /**
+     * The function that starts the dragging of the presentation mode menu. When
+     * the lines on further right are clicked on.
+     */
+    dragStart = (e: React.PointerEvent) => {
+        document.removeEventListener("pointermove", this.dragging);
+        document.addEventListener("pointermove", this.dragging);
+        document.removeEventListener("pointerup", this.dragEnd);
+        document.addEventListener("pointerup", this.dragEnd);
+
+        e.stopPropagation();
+        e.preventDefault();
+    }
+
+    /**
+     * The function that is responsible for rendering the play or pause button, depending on the
+     * status of the presentation.
+     */
+    renderPlayPauseButton = () => {
+        if (this.props.presStatus) {
+            return <button title="Reset Presentation" className="presMenu-button" onClick={this.props.startOrResetPres}><FontAwesomeIcon icon="stop" /></button>;
+        } else {
+            return <button title="Start Presentation From Start" className="presMenu-button" onClick={this.props.startOrResetPres}><FontAwesomeIcon icon="play" /></button>;
+        }
+    }
+
+    render() {
+        return (
+            <div className="presMenu-cont" ref={this._mainCont}
+                style={{ right: this._right, top: this._top, opacity: this._opacity, transition: this._transition, transitionDelay: this._transitionDelay }}>
+                <button title="Back" className="presMenu-button" onClick={this.props.back}><FontAwesomeIcon icon={"arrow-left"} /></button>
+                {this.renderPlayPauseButton()}
+                <button title="Next" className="presMenu-button" onClick={this.props.next}><FontAwesomeIcon icon={"arrow-right"} /></button>
+                <button className="presMenu-button" title="Close Presentation Menu" onClick={this.props.closePresMode}>
+                    <FontAwesomeIcon icon="times" size="lg" />
+                </button>
+                <div className="presMenu-dragger" onPointerDown={this.dragStart} style={{ width: "20px" }} />
+            </div >
+        );
+    }
+
+
+
+
+}
\ No newline at end of file