add resources; add workspace panel

src/dlangide/ui/wspanel.d

@@ -0,0 +1,37 @@
+module dlangide.ui.wspanel;
+
+import dlangui.all;
+import dlangide.workspace.workspace;
+
+class WorkspacePanel : VerticalLayout {
+    protected Workspace _workspace;
+    protected TreeWidget _tree;
+
+    this(string id) {
+        super(id);
+        layoutHeight = FILL_PARENT;
+        _tree = new TreeWidget("wstree");
+        _tree.layoutHeight = FILL_PARENT;
+        addChild(_tree);
+        workspace = null;
+    }
+
+    @property Workspace workspace() {
+        return _workspace;
+    }
+
+    @property void workspace(Workspace w) {
+        _workspace = w;
+        _tree.requestLayout();
+        _tree.items.clear();
+        if (w) {
+            TreeItem root = _tree.items.newChild(w.filename, w.name, "project-development");
+            foreach(project; w.projects) {
+                TreeItem p = root.newChild(project.filename, project.name, "project-open");
+            }
+        } else {
+            _tree.items.newChild("none", "New workspace"d, "project-development");
+        }
+        _tree.onTreeContentChange(null);
+    }
+}