1 files changed, 129 insertions, 0 deletions
diff --git a/src/scripts/views/layers/hover.ts b/src/scripts/views/layers/hover.ts
new file mode 100644
index 00000000..b9f5509c
--- /dev/null
+++ b/src/scripts/views/layers/hover.ts
@@ -0,0 +1,129 @@
+import {Layer} from "./layer";
+import {MapView} from "../mapview";
+import {Colors} from "../../colors";
+import {DCObjectLayer} from "./dcobject";
+import {CELL_SIZE} from "../../controllers/mapcontroller";
+
+
+/**
+ * Class responsible for rendering the hover layer.
+ */
+export class HoverLayer implements Layer {
+    public container: createjs.Container;
+    public hoverTilePosition: IGridPosition;
+
+    private mapView: MapView;
+    private hoverTile: createjs.Shape;
+    private hoverRack: createjs.Container;
+    private hoverPSU: createjs.Container;
+    private hoverCoolingItem: createjs.Container;
+
+
+    constructor(mapView: MapView) {
+        this.mapView = mapView;
+        this.container = new createjs.Container();
+
+        this.initialDraw();
+    }
+
+    /**
+     * Draws the hover tile to the container at its current location and with its current color.
+     */
+    public draw(): void {
+        let color;
+
+        if (this.mapView.roomLayer.checkHoverTileValidity(this.hoverTilePosition)) {
+            color = Colors.ROOM_HOVER_VALID;
+        } else {
+            color = Colors.ROOM_HOVER_INVALID;
+        }
+
+        this.hoverTile.graphics.clear().beginFill(color)
+            .drawRect(this.hoverTilePosition.x * CELL_SIZE, this.hoverTilePosition.y * CELL_SIZE,
+                CELL_SIZE, CELL_SIZE)
+            .endFill();
+        if (this.hoverRack.visible) {
+            this.hoverRack.x = this.hoverTilePosition.x * CELL_SIZE;
+            this.hoverRack.y = this.hoverTilePosition.y * CELL_SIZE;
+        } else if (this.hoverPSU.visible) {
+            this.hoverPSU.x = this.hoverTilePosition.x * CELL_SIZE;
+            this.hoverPSU.y = this.hoverTilePosition.y * CELL_SIZE;
+        } else if (this.hoverCoolingItem.visible) {
+            this.hoverCoolingItem.x = this.hoverTilePosition.x * CELL_SIZE;
+            this.hoverCoolingItem.y = this.hoverTilePosition.y * CELL_SIZE;
+        }
+    }
+
+    /**
+     * Performs the initial drawing action.
+     */
+    public initialDraw(): void {
+        this.container.removeAllChildren();
+
+        this.hoverTile = new createjs.Shape();
+
+        this.hoverTilePosition = {x: 0, y: 0};
+
+        this.hoverTile = MapView.drawRectangle(this.hoverTilePosition, Colors.ROOM_HOVER_VALID, this.container);
+        this.hoverTile.visible = false;
+
+        this.hoverRack = DCObjectLayer.drawHoverRack(this.hoverTilePosition);
+        this.hoverPSU = DCObjectLayer.drawHoverPSU(this.hoverTilePosition);
+        this.hoverCoolingItem = DCObjectLayer.drawHoverCoolingItem(this.hoverTilePosition);
+
+        this.container.addChild(this.hoverRack);
+        this.container.addChild(this.hoverPSU);
+        this.container.addChild(this.hoverCoolingItem);
+
+        this.hoverRack.visible = false;
+        this.hoverPSU.visible = false;
+        this.hoverCoolingItem.visible = false;
+    }
+
+    /**
+     * Sets the hover tile visibility to true/false.
+     *
+     * @param value The visibility value
+     */
+    public setHoverTileVisibility(value: boolean): void {
+        this.hoverTile.visible = value;
+        this.mapView.updateScene = true;
+    }
+
+    /**
+     * Sets the hover item visibility to true/false.
+     *
+     * @param value The visibility value
+     * @param type The type of the object to be shown
+     */
+    public setHoverItemVisibility(value: boolean, type?: string): void {
+        if (value === true) {
+            this.hoverTile.visible = true;
+
+            this.setHoverItemVisibilities(type);
+        } else {
+            this.hoverTile.visible = false;
+            this.hoverRack.visible = false;
+            this.hoverPSU.visible = false;
+            this.hoverCoolingItem.visible = false;
+        }
+
+        this.mapView.updateScene = true;
+    }
+
+    private setHoverItemVisibilities(type: string): void {
+        if (type === "RACK") {
+            this.hoverRack.visible = true;
+            this.hoverPSU.visible = false;
+            this.hoverCoolingItem.visible = false;
+        } else if (type === "PSU") {
+            this.hoverRack.visible = false;
+            this.hoverPSU.visible = true;
+            this.hoverCoolingItem.visible = false;
+        } else if (type === "COOLING_ITEM") {
+            this.hoverRack.visible = false;
+            this.hoverPSU.visible = false;
+            this.hoverCoolingItem.visible = true;
+        }
+    }
+}
+\ No newline at end of file