Provide a visual indicator of the current view-state

[vopamoi] / vopamoi.ts

diff --git a/vopamoi.ts b/vopamoi.ts
index 5916d0a9b21d5fe722d5e05cfa2151b2e1057dd1..e99777c6e986c91235060b22630b74b007808efc 100644 (file)
--- a/vopamoi.ts
+++ b/vopamoi.ts
@@ -29,6 +29,12 @@ function Clock() {
 }
 const clock = Clock();
 
+// Returns a promise for a hue based on a hash of the string
+function hashHue(str: string) {
+  // Using crypto for this is overkill
+  return crypto.subtle.digest("SHA-256", new TextEncoder().encode(str)).then((buf) => (new Uint16Array(buf)[0] * 360) / 2 ** 16);
+}
+
 const Model = {
   addTask: function (timestamp: string, description: string): Element {
     const task = document.createElement("div");
@@ -53,6 +59,13 @@ const Model = {
     tag.appendChild(document.createTextNode(tagName));
     tag.classList.add("tag");
     tag.setAttribute("tabindex", "0");
+    hashHue(tagName).then((hue) => (tag.style.backgroundColor = `hsl(${hue},90%,45%)`));
+    for (const child of task.getElementsByClassName("tag")) {
+      if (tagName > child.textContent!) {
+        task.insertBefore(tag, child);
+        return tag;
+      }
+    }
     task.appendChild(tag);
     return tag;
   },
@@ -384,10 +397,12 @@ function BrowserUI() {
       return ui.setState(createTimestamp, newState, oldState);
     },
 
-    setView: function (state: string) {
+    setView: function (state: string, color: string) {
       const sheet = (document.getElementById("viewStyle") as HTMLStyleElement).sheet!;
       sheet.insertRule(`.task:not([data-state=${state}]) { display: none }`);
-      sheet.removeRule(1);
+      sheet.insertRule(`:root { --view-state-indicator-color: ${color}; }`);
+      sheet.removeRule(2);
+      sheet.removeRule(2);
       currentViewState = state;
       if (document.activeElement?.getAttribute("data-state") !== state) {
         this.firstVisibleTask()?.focus();
@@ -439,12 +454,12 @@ function handleKey(event: any) {
       if (event.key == "v") return (inputState = InputState.View);
     } else if (inputState === InputState.View) {
       inputState = InputState.Command;
-      if (event.key == "c") return browserUI.setView("cancelled");
-      if (event.key == "d") return browserUI.setView("done");
-      if (event.key == "q") return browserUI.setView("todo");
-      if (event.key == "s") return browserUI.setView("someday-maybe");
-      if (event.key == "w") return browserUI.setView("waiting");
-      if (event.key == "x") return browserUI.setView("deleted");
+      if (event.key == "c") return browserUI.setView("cancelled", "Red");
+      if (event.key == "d") return browserUI.setView("done", "LawnGreen");
+      if (event.key == "q") return browserUI.setView("todo", "White");
+      if (event.key == "s") return browserUI.setView("someday-maybe", "DeepSkyBlue");
+      if (event.key == "w") return browserUI.setView("waiting", "MediumOrchid");
+      if (event.key == "x") return browserUI.setView("deleted", "Black");
     }
   }
 }