GUI -- ButtonService - modified IconService to load glyphs without icon mapping
- created button and toggle functions in ButtonService with unit tests

Change-Id: If4d35e3ed7df8c1b8f7355f63f39d0c5d84db753
diff --git a/web/gui/src/main/webapp/app/fw/widget/button.js b/web/gui/src/main/webapp/app/fw/widget/button.js
new file mode 100644
index 0000000..4530bb6
--- /dev/null
+++ b/web/gui/src/main/webapp/app/fw/widget/button.js
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ ONOS GUI -- Widget -- Button Service
+ */
+(function () {
+    'use strict';
+
+    var $log, fs, is;
+
+    var btnSize = 30;
+
+    function noop() {}
+
+    function createDiv(div, cls, id) {
+        return div.append('div')
+            .classed(cls, true)
+            .attr('id', id);
+    }
+
+    function button(div, id, gid, cb, tooltip) {
+        if (!div) {
+            $log.warn('Button cannot append to div');
+            return null;
+        }
+
+        var btnDiv = createDiv(div, 'btn', id),
+            svg = btnDiv.append('svg'),
+            cbFnc = fs.isF(cb) || noop;
+
+        is.loadIcon(btnDiv, gid, btnSize);
+
+        btnDiv.on('click', cbFnc);
+
+        return {
+            id: id,
+            click: cbFnc,
+            el: btnDiv
+        }
+    }
+
+    function toggle(div, id, gid, cb, tooltip) {
+        if (!div) {
+            $log.warn('Toggle cannot append to div');
+            return null;
+        }
+
+        var sel = false,
+            togDiv = createDiv(div, 'tog', id),
+            svg = togDiv.append('svg'),
+            cbFnc = fs.isF(cb) || noop;
+
+        is.loadIcon(togDiv, gid, btnSize);
+
+        return {
+            id: id,
+            el: togDiv,
+            selected: function () { return sel; },
+            toggle: function (b) {
+                if (b === undefined) {
+                    sel = !sel;
+                } else {
+                    sel = !!b;
+                }
+                cbFnc(sel);
+            }
+        }
+    }
+
+    function radioSet(div, id, rset) {
+        return {}
+    }
+
+    angular.module('onosWidget')
+        .factory('ButtonService', ['$log', 'FnService', 'IconService',
+            function (_$log_, _fs_, _is_) {
+                $log = _$log_;
+                fs = _fs_;
+                is = _is_;
+
+                return {
+                    button: button,
+                    toggle: toggle,
+                    radioSet: radioSet
+                };
+            }]);
+
+}());
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