Merge pull request #2356 from kravets-levko/fix/dashboard-auto-height

Dashboard fixes and improvements

client/app/directives/gridster-auto-height.js

@@ -1,15 +1,37 @@
 import * as _ from 'underscore';
 import { requestAnimationFrame } from './utils';
 
-function gridsterAutoHeight($timeout) {
+function gridsterAutoHeight($timeout, $parse) {
   return {
     restrict: 'A',
     require: 'gridsterItem',
     link($scope, $element, attr, controller) {
-      let destroyed = false;
+      let autoSized = true;
+
+      const itemGetter = $parse(attr.gridsterItem);
+
+      $scope.$watch(attr.gridsterItem, (newValue, oldValue) => {
+        const item = _.extend({}, itemGetter($scope));
+        if (_.isObject(newValue) && _.isObject(oldValue)) {
+          if ((newValue.sizeY !== oldValue.sizeY) && !autoSized) {
+            item.autoHeight = false;
+            if (_.isFunction(itemGetter.assign)) {
+              itemGetter.assign($scope, item);
+            }
+          }
+        }
+        if (item.autoHeight) {
+          $element.addClass('gridster-auto-height-enabled');
+        } else {
+          $element.removeClass('gridster-auto-height-enabled');
+        }
+        autoSized = false;
+      }, true);
 
       function updateHeight() {
-        if (controller.gridster) {
+        const item = _.extend({}, itemGetter($scope));
+
+        if (controller.gridster && item.autoHeight) {
           const wrapper = $element[0];
           // Query element, but keep selector order
           const element = _.chain(attr.gridsterAutoHeight.split(','))
@@ -31,25 +53,22 @@ function gridsterAutoHeight($timeout) {
             const additionalHeight = 100 + _.last(controller.gridster.margins);
             const contentsHeight = childrenBounds.bottom - childrenBounds.top;
             $timeout(() => {
-              controller.sizeY = Math.ceil((contentsHeight + additionalHeight) /
+              const sizeY = Math.ceil((contentsHeight + additionalHeight) /
                 controller.gridster.curRowHeight);
+              if (controller.sizeY !== sizeY) {
+                autoSized = true;
+                controller.sizeY = sizeY;
+              } else {
+                autoSized = false;
+              }
             });
           }
 
-          if (!destroyed) {
           requestAnimationFrame(updateHeight);
         }
       }
-      }
 
-      if (controller.sizeY < 0) {
-        $element.addClass('gridster-auto-height-enabled');
       updateHeight();
-
-        $scope.$on('$destroy', () => {
-          destroyed = true;
-        });
-      }
     },
   };
 }

client/app/pages/dashboards/dashboard.js

@@ -5,6 +5,30 @@ import template from './dashboard.html';
 import shareDashboardTemplate from './share-dashboard.html';
 import './dashboard.less';
 
+function isWidgetPositionChanged(oldPosition, newPosition) {
+  const fields = ['col', 'row', 'sizeX', 'sizeY', 'autoHeight'];
+  oldPosition = _.pick(oldPosition, fields);
+  newPosition = _.pick(newPosition, fields);
+  return !!_.find(fields, key => newPosition[key] !== oldPosition[key]);
+}
+
+function collectWidgetPositions(widgets) {
+  return _.chain(widgets)
+    .map(widget => [widget.id, _.clone(widget.options.position)])
+    .object()
+    .value();
+}
+
+function getWidgetsWithChangedPositions(widgets, savedPositions) {
+  return _.filter(widgets, (widget) => {
+    const savedPosition = savedPositions[widget.id];
+    if (!_.isObject(savedPosition)) {
+      return true;
+    }
+    return isWidgetPositionChanged(savedPosition, widget.options.position);
+  });
+}
+
 function DashboardCtrl(
   $rootScope,
   $routeParams,
@@ -22,7 +46,11 @@ function DashboardCtrl(
   toastr,
 ) {
   this.saveInProgress = false;
-  const saveDashboardLayout = () => {
+
+  // This variable should always be in sync with widgets
+  let savedWidgetPositions = {};
+
+  const saveDashboardLayout = (widgets) => {
     if (!this.dashboard.canEdit()) {
       return;
     }
@@ -33,7 +61,7 @@ function DashboardCtrl(
     this.dashboardGridOptions.draggable.enabled = false;
     this.dashboardGridOptions.resizable.enabled = false;
     return $q
-      .all(_.map(this.dashboard.widgets, widget => widget.$save()))
+      .all(_.map(widgets, widget => widget.$save()))
       .then(() => {
         if (showMessages) {
           toastr.success('Changes saved.');
@@ -181,6 +209,8 @@ function DashboardCtrl(
           $location.search('edit', null);
           this.editLayout(true);
         }
+
+        savedWidgetPositions = collectWidgetPositions(dashboard.widgets);
       },
       (rejection) => {
         const statusGroup = Math.floor(rejection.status / 100);
@@ -233,26 +263,26 @@ function DashboardCtrl(
       if (enableEditing) {
         if (!this.layoutEditing) {
           // Save current positions of widgets
-          _.each(this.dashboard.widgets, (widget) => {
-            widget.$savedPosition = _.clone(widget.options.position);
-          });
+          savedWidgetPositions = collectWidgetPositions(this.dashboard.widgets);
         }
       } else {
         if (applyChanges) {
-          // Clear saved data and save layout
-          _.each(this.dashboard.widgets, (widget) => {
-            widget.$savedPosition = undefined;
+          const changedWidgets = getWidgetsWithChangedPositions(
+            this.dashboard.widgets,
+            savedWidgetPositions,
+          );
+          saveDashboardLayout(changedWidgets).finally(() => {
+            savedWidgetPositions = collectWidgetPositions(this.dashboard.widgets);
           });
-          saveDashboardLayout();
         } else {
           // Revert changes
           _.each(this.dashboard.widgets, (widget) => {
-            if (_.isObject(widget.$savedPosition)) {
-              widget.options.position = widget.$savedPosition;
+            if (_.isObject(savedWidgetPositions[widget.id])) {
+              widget.options.position = savedWidgetPositions[widget.id];
             }
-            widget.$savedPosition = undefined;
           });
         }
+        savedWidgetPositions = collectWidgetPositions(this.dashboard.widgets);
       }
 
       this.layoutEditing = enableEditing;
@@ -297,20 +327,15 @@ function DashboardCtrl(
       })
       .result.then(() => {
         this.extractGlobalParameters();
-        if (this.layoutEditing) {
         // Save position of newly added widget (but not entire layout)
         const widget = _.last(this.dashboard.widgets);
         if (_.isObject(widget)) {
           return widget.$save().then(() => {
             if (this.layoutEditing) {
-                widget.$savedPosition = _.clone(widget.options.position);
+              savedWidgetPositions[widget.id] = _.clone(widget.options.position);
             }
           });
         }
-        } else {
-          // Update entire layout
-          return saveDashboardLayout();
-        }
       });
   };
 
@@ -320,7 +345,13 @@ function DashboardCtrl(
       // We need to wait a bit for `angular-gridster` before it updates widgets,
       // and only then save new layout
       $timeout(() => {
-        saveDashboardLayout();
+        const changedWidgets = getWidgetsWithChangedPositions(
+          this.dashboard.widgets,
+          savedWidgetPositions,
+        );
+        saveDashboardLayout(changedWidgets).finally(() => {
+          savedWidgetPositions = collectWidgetPositions(this.dashboard.widgets);
+        });
       }, 50);
     }
   };

client/app/services/widget.js

@@ -103,9 +103,13 @@ function Widget($resource, $http, Query, Visualization, dashboardGridOptions) {
     widget.options.position = extend(
       {},
       visualizationOptions,
-      pick(widget.options.position, ['col', 'row', 'sizeX', 'sizeY']),
+      pick(widget.options.position, ['col', 'row', 'sizeX', 'sizeY', 'autoHeight']),
     );
 
+    if (widget.options.position.sizeY < 0) {
+      widget.options.position.autoHeight = true;
+    }
+
     return new WidgetResource(widget);
   }
 

client/app/visualizations/table/index.js

@@ -20,7 +20,7 @@ const DISPLAY_AS_OPTIONS = [
 const DEFAULT_OPTIONS = {
   itemsPerPage: 15,
   defaultRows: -1,
-  defaultColumns: 4,
+  defaultColumns: 3,
   minColumns: 2,
 };