msd ui

1 files changed, 112 insertions, 6 deletions

diff --git a/kvmd/web/js/msd.js b/kvmd/web/js/msd.js
index 5ae851ea..073d3069 100644
--- a/kvmd/web/js/msd.js
+++ b/kvmd/web/js/msd.js
@@ -1,4 +1,8 @@
 var msd = new function() {
+	var __state = null;
+	var __upload_http = null;
+	var __image_file = null;
+
 	this.loadInitialState = function() {
 		var http = tools.makeRequest("GET", "/kvmd/msd", function() {
 			if (http.readyState === 4) {
@@ -12,13 +16,115 @@ var msd = new function() {
 	};
 
 	this.setState = function(state) {
-		if (state.connected_to == "server") {
-			cls = "led-on";
-		} else if (state.busy) {
-			cls = "led-msd-writing";
+		__state = state;
+		console.log(state);
+		__applyState();
+	};
+
+	this.clickButton = function(el_button) {
+		if (el_button.id === "msd-upload-new-image-button") {
+			var form_data = new FormData();
+			form_data.append("image_name", __image_file.name);
+			form_data.append("image_data", __image_file);
+
+			__upload_http = new XMLHttpRequest();
+			__upload_http.open("POST", "/kvmd/msd/write", true);
+			__upload_http.upload.timeout = 5000;
+			__upload_http.onreadystatechange = __uploadStateChange;
+			__upload_http.upload.onprogress = __uploadProgress;
+			__upload_http.send(form_data);
+
+		} else if (el_button.id === "msd-abort-uploading-button") {
+			__upload_http.onreadystatechange = null;
+			__upload_http.upload.onprogress = null;
+			__upload_http.abort();
+			__upload_http = null;
+			$("msd-progress").setAttribute("data-label", "Aborted");
+			$("msd-progress-value").style.width = "0%";
+			msd.loadInitialState();
+
+		} else if (el_button.id === "msd-switch-to-kvm-button" || el_button.id === "msd-switch-to-server-button") {
+			var to = (el_button.id === "msd-switch-to-kvm-button" ? "kvm" : "server");
+			var http = tools.makeRequest("POST", "/kvmd/msd/connect?to=" + to, function() {
+				if (http.readyState === 4) {
+					if (http.status !== 200) {
+						alert("Switch error:", http.responseText);
+					}
+				}
+				__applyState();
+			});
+			__applyState();
+			el_button.disabled = true;
+		}
+	};
+
+	this.selectNewImageFile = function(el_input) {
+		var image_file = (el_input.files.length ? el_input.files[0] : null);
+		if (image_file && image_file.size > __state.info.size) {
+			alert("New image is too big for your Mass Storage Device; maximum: " + __formatSize(__state.info.size));
+			el_input.value = "";
+			image_file = null;
+		}
+		__image_file = image_file;
+		$("msd-new-image").style.display = (__image_file ? "block" : "none");
+		$("msd-progress").setAttribute("data-label", "Waiting for upload ...");
+		$("msd-progress-value").style.width = "0%";
+		$("msd-new-image-name").innerHTML = (__image_file ? __image_file.name : "");
+		$("msd-new-image-size").innerHTML = (__image_file ? __formatSize(__image_file.size) : "");
+		__applyState();
+	};
+
+	var __applyState = function() {
+		if (__state.connected_to === "server") {
+			$("msd-led").className = "led-on";
+		} else if (__state.busy) {
+			$("msd-led").className = "led-msd-writing";
 		} else {
-			cls = "led-off";
+			$("msd-led").className = "led-off";
+		}
+
+		$("msd-not-in-operate").style.display = (__state.in_operate ? "none" : "block");
+		$("msd-current-image-broken").style.display = ((__state.info.image && !__state.info.image.complete) ? "block" : "none");
+
+		$("msd-current-image-name").innerHTML = (__state.info.image ? __state.info.image.name : "None");
+		$("msd-current-image-size").innerHTML = (__state.info.image ? __formatSize(__state.info.image.size) : "None");
+		$("msd-storage-size").innerHTML = (__state.in_operate ? __formatSize(__state.info.size) : "Unavailable");
+		$("msd-storage-device").innerHTML = (__state.in_operate ? __state.info.real : "Missing");
+
+		$("msd-switch-to-kvm-button").disabled = (!__state.in_operate || __state.connected_to === "kvm" || __state.busy);
+		$("msd-switch-to-server-button").disabled = (!__state.in_operate || __state.connected_to === "server" || __state.busy);
+		$("msd-select-new-image-button").disabled = (!__state.in_operate || __state.connected_to !== "kvm" || __state.busy || __upload_http);
+		$("msd-upload-new-image-button").disabled = (!__state.in_operate || __state.connected_to !== "kvm" || __state.busy || !__image_file);
+		$("msd-abort-uploading-button").disabled = (!__state.in_operate || !__upload_http);
+	};
+
+	var __formatSize = function(size) {
+		if (size > 0) {
+			var index = Math.floor( Math.log(size) / Math.log(1024) );
+			return (size / Math.pow(1024, index)).toFixed(2) * 1 + " " + ["B", "kB", "MB", "GB", "TB"][index];
+		} else {
+			return 0;
+		}
+	};
+
+	var __uploadStateChange = function(event) {
+		if (__upload_http.readyState === 4) {
+			if (__upload_http.status !== 200) {
+				alert("Can't upload image to the Mass Storage Device:", __upload_http.responseText);
+			} else {
+				$("msd-progress").setAttribute("data-label", "Done");
+				$("msd-progress-value").style.width = "100%";
+			}
+			__upload_http = null;
+			__applyState();
+		}
+	};
+
+	var __uploadProgress = function(event) {
+		if(event.lengthComputable) {
+			var percent = Math.round((event.loaded * 100) / event.total);
+			$("msd-progress").setAttribute("data-label", percent + "%");
+			$("msd-progress-value").style.width = percent + "%";
 		}
-		$("msd-led").className = cls;
 	};
 };