Add input type handling to the texteditor

This allows us to customise the input element used for each field type.
The only one implemented at the moment is color, which currently only
works on Chrome

core/modules/widgets/edit/editors/texteditor.js

@@ -56,7 +56,17 @@ TextEditor.prototype.render = function() {
 		type: "element",
 		attributes: {}
 	};
-	var type = this.editWidget.renderer.getAttribute("type",this.fieldName === "text" ? "textarea" : "input");
+	// Get the edit type associated with this field
+	var type = "input";
+	if(this.fieldName === "text") {
+		type = "textarea";
+	} else {
+		var fieldModule = $tw.Tiddler.fieldModules[this.fieldName];
+		if(fieldModule && fieldModule.editType) {
+			type = fieldModule.editType;
+		}
+	}
+	var type = this.editWidget.renderer.getAttribute("type",type);
 	switch(type) {
 		case "textarea":
 			node.tag = "textarea";
@@ -65,6 +75,11 @@ TextEditor.prototype.render = function() {
 				text: editInfo.value
 			}];
 			break;
+		case "color":
+			node.tag = "input";
+			node.attributes.type = {type: "string", value: "color"};
+			node.attributes.value = {type: "string", value: editInfo.value};
+			break;
 		case "search":
 			node.tag = "input";
 			node.attributes.type = {type: "string", value: "search"};