Color field format

package.json

@@ -62,6 +62,7 @@
     "@spalger/ui-ace": "0.2.3",
     "angular": "1.2.28",
     "angular-bindonce": "0.3.1",
+    "angular-bootstrap-colorpicker": "3.0.19",
     "angular-elastic": "2.5.0",
     "angular-route": "1.2.28",
     "ansicolors": "0.3.2",

src/ui/public/field_editor/field_editor.js

@@ -1,9 +1,11 @@
 define(function (require) {
 
   require('ui/field_format_editor');
+  require('angular-bootstrap-colorpicker');
+  require('angular-bootstrap-colorpicker/css/colorpicker.css');
 
   require('ui/modules')
-  .get('kibana')
+  .get('kibana', ['colorpicker.module'])
   .directive('fieldEditor', function (Private, $sce) {
     var _ = require('lodash');
     var fieldFormats = Private(require('ui/registry/field_formats'));
@@ -78,7 +80,7 @@ define(function (require) {
           if (!changedFormat || !missingFormat) return;
 
           // reset to the defaults, but make sure it's an object
-          self.formatParams = _.assign({}, getFieldFormatType().paramDefaults);
+          self.formatParams = _.assign({}, _.cloneDeep(getFieldFormatType().paramDefaults));
         });
 
         $scope.$watch('editor.formatParams', function () {

src/ui/public/stringify/__tests__/_color.js

@@ -0,0 +1,38 @@
+describe('Color Format', function () {
+  var fieldFormats;
+  var ColorFormat;
+  var expect = require('expect.js');
+  var ngMock = require('ngMock');
+
+  beforeEach(ngMock.module('kibana'));
+  beforeEach(ngMock.inject(function (Private) {
+    fieldFormats = Private(require('ui/registry/field_formats'));
+    ColorFormat = fieldFormats.getType('color');
+
+  }));
+
+  it('should add colors if the value is in range', function () {
+    var colorer = new ColorFormat({
+      colors: [{
+        range: '100:150',
+        text: 'blue',
+        background: 'yellow'
+      }]
+    });
+    expect(colorer.convert(99, 'html')).to.eql('99');
+    expect(colorer.convert(100, 'html')).to.eql('<span style="color: blue;background-color: yellow;">100</span>');
+    expect(colorer.convert(150, 'html')).to.eql('<span style="color: blue;background-color: yellow;">150</span>');
+    expect(colorer.convert(151, 'html')).to.eql('151');
+  });
+
+  it('should not convert invalid ranges', function () {
+    var colorer = new ColorFormat({
+      colors: [{
+        range: '100150',
+        text: 'blue',
+        background: 'yellow'
+      }]
+    });
+    expect(colorer.convert(99, 'html')).to.eql('99');
+  });
+});

src/ui/public/stringify/__tests__/_conformance.js

@@ -12,6 +12,7 @@ var formatIds = [
   'ip',
   'number',
   'percent',
+  'color',
   'string',
   'url',
   '_source'

src/ui/public/stringify/__tests__/index.js

@@ -4,5 +4,6 @@ describe('Stringify Component', function () {
   require('./_source');
   require('./_string');
   require('./_url');
+  require('./_color');
   require('./_date');
 });

src/ui/public/stringify/editors/color.html

@@ -0,0 +1,51 @@
+<div class="form-group">
+  <div ng-repeat="color in editor.formatParams.colors">
+    <div class="editor-color">
+      <button ng-if="editor.formatParams.colors.length > 1" aria-label="Remove Color" ng-click="removeColor($index)" tooltip="Remove Color" tooltip-append-to-body="true" type="button" class="btn btn-xs btn-danger editor-color-remove">
+        <i aria-hidden="true" class="fa fa-times"></i>
+      </button>
+      <div class="form-group">
+        <label>Range
+          <small>
+            (min:max)
+          </small>
+      </label>
+        <input
+          ng-model="color.range"
+          class="form-control">
+      </div>
+      <div class="form-group">
+        <label>Font Color</label>
+        <input
+          ng-model="color.text"
+          colorpicker
+          type="text"
+          class="form-control">
+      </div>
+      <div class="form-group">
+        <label>Background Color</label>
+        <input
+          ng-model="color.background"
+          colorpicker
+          type="text"
+          class="form-control">
+      </div>
+      <div class="form-group">
+        <label>Example</label>
+          <div class="form-control"
+            ng-style="{color: color.text, 'background-color': color.background}"
+            value="formatted">
+            123456
+        </div>
+      </div>
+
+    </div>
+    <hr>
+  </div>
+
+  <button aria-label="Add Color" ng-click="addColor()" tooltip="Add Color" tooltip-append-to-body="true" type="button" class="btn btn-primary btn-xs">
+      <span class="sr-only">Add Color</span>
+      <i aria-hidden="true" class="fa fa-plus"></i> Add Color
+  </button>
+
+</div>

src/ui/public/stringify/editors/color.less

@@ -0,0 +1,17 @@
+.editor-color {
+  display: flex;
+  position: relative;
+  > .form-group {
+    flex: 1 1 1%;
+    padding-right: 5px;
+    &:last-child {
+      padding-right: 0;
+    }
+  }
+}
+
+.editor-color-remove {
+  position: absolute;
+  right: 0;
+  top: -10px;
+}

src/ui/public/stringify/register.js

@@ -8,4 +8,5 @@ define(function (require) {
   fieldFormats.register(require('ui/stringify/types/Percent'));
   fieldFormats.register(require('ui/stringify/types/String'));
   fieldFormats.register(require('ui/stringify/types/Source'));
+  fieldFormats.register(require('ui/stringify/types/Color'));
 });

src/ui/public/stringify/types/Color.js

@@ -0,0 +1,58 @@
+define(function (require) {
+  return function _StringProvider(Private) {
+    var _ = require('lodash');
+    var FieldFormat = Private(require('ui/index_patterns/_field_format/FieldFormat'));
+
+    require('ui/stringify/editors/color.less');
+
+    _.class(_Color).inherits(FieldFormat);
+    function _Color(params) {
+      _Color.Super.call(this, params);
+    }
+
+    _Color.id = 'color';
+    _Color.title = 'Color';
+    _Color.fieldType = [
+      'number'
+    ];
+
+    _Color.editor = {
+      template: require('ui/stringify/editors/color.html'),
+      controller($scope) {
+        $scope.addColor = function () {
+          $scope.editor.formatParams.colors.push({});
+        };
+
+        $scope.removeColor = function (index) {
+          $scope.editor.formatParams.colors.splice(index, 1);
+        };
+      }
+    };
+
+    _Color.paramDefaults = {
+      colors: [{
+        range: `${Number.NEGATIVE_INFINITY}:${Number.POSITIVE_INFINITY}`,
+        text: '#000000',
+        background: '#ffffff'
+      }]
+    };
+
+    _Color.prototype._convert = {
+      html(val) {
+        const color = _.findLast(this.param('colors'), ({ range }) => {
+          if (!range) return;
+          const [start, end] = range.split(':');
+          return val >= Number(start) && val <= Number(end);
+        });
+
+        if (!color) return _.asPrettyString(val);
+
+        const styleColor = color.text ? `color: ${color.text};` : '';
+        const styleBackgroundColor = color.background ? `background-color: ${color.background};` : '';
+        return `<span style="${styleColor}${styleBackgroundColor}">${_.escape(val)}</span>`;
+      }
+    };
+
+    return _Color;
+  };
+});