1 files changed, 42 insertions, 0 deletions
diff --git a/js/visual.js b/js/visual.js
new file mode 100644
index 0000000..4fb7045
--- /dev/null
+++ b/js/visual.js
@@ -0,0 +1,42 @@
+/* -------------------- base visual element -------------------- */
+
+SQL.Visual = OZ.Class(); /* abstract parent */
+SQL.Visual.prototype.init = function() {
+	this._init();
+	this._build();
+}
+
+SQL.Visual.prototype._init = function() {
+	this.dom = {
+		container: null,
+		title: null
+	};
+	this.data = {
+		title:""
+	}
+}
+
+SQL.Visual.prototype._build = function() {}
+
+SQL.Visual.prototype.toXML = function() {}
+
+SQL.Visual.prototype.fromXML = function(node) {}
+
+SQL.Visual.prototype.destroy = function() { /* "destructor" */
+	var p = this.dom.container.parentNode;
+	if (p && p.nodeType == 1) {
+		p.removeChild(this.dom.container);
+	}
+}
+
+SQL.Visual.prototype.setTitle = function(text) {
+	if (!text) { return; }
+	this.data.title = text;
+	this.dom.title.innerHTML = text;
+}
+
+SQL.Visual.prototype.getTitle = function() {
+	return this.data.title;
+}
+
+SQL.Visual.prototype.redraw = function() {}