外部SVG文档是否可以包含AngularJS ng-click指令?

问题描述 投票:1回答:1

我正在创建触摸屏目录,并且正在使用AngularJS框架。

我想在SVG文档中单击某个形状时在html文档中显示一些信息。

我正在使用object标记将svg文档嵌入到html文档中。

如果我在外部SVG文档中添加ng-if指令,那行得通吗?如果可以,我是否需要在SVG文档中放入ng-controller

示例:

HTML

<object ng-attr-data="image.svg" type="image/svg+xml"></object>    
<div ng-if="click">Hello</div>

SVG

<svg>
  <g id="Layer_2">
    <rect x="95.8" y="61.3" id="101" class="st2" width="349.5" height="227.1" ng-model="click"/>
  </g>
</svg>
angularjs svg
1个回答
1
投票

为此,svg代码必须由AngularJS编译,因此它可以使用ng-click代码来解释类似<svg>...</svg>的指令

技巧是使用svg图像文件作为指令的模板来创建自定义指令。

这里是示例代码:

项目结构

|_ index.html
|_ module.js
|_ assets
   |_ ellipses.svg
   |_ tux-mono.svg

index.html

<!DOCTYPE html>

<html lang="en" ng-app="app">
  <head>
    <meta charset="utf-8" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.6.1/angular.min.js"></script>
    <script src="module.js"></script>
  </head>
  <body ng-controller="MyController">
    <svg-component data-uid="ellipses-1" data-filename="assets/ellipses.svg"></svg-component>
    <svg-component data-uid="ellipses-2" data-filename="assets/ellipses.svg"></svg-component>
    <svg-component data-uid="tux" data-filename="assets/tux-mono.svg"></svg-component>

    <p ng-if="data.componentUid && data.objectName">
      <strong ng-bind="data.objectName"></strong> object was clicked in
      <strong ng-bind="data.componentUid"></strong> component
    </p>
  </body>
</html>

module.js

(function () {
    'use strict';

    angular.module('app', []);

    angular.
        module('app')
        .controller('MyController', ['$scope', '$rootScope', function ($scope, $rootScope) {
            $rootScope.$on('SVG_COMPONENT_ON_CLICK', function (event, data) {
                $scope.data = data;
            });
        }])
        .directive('svgComponent', ['$rootScope', function ($rootScope) {
            return {
                restrict: 'E',
                templateUrl: function (element, attrs) {
                    return attrs.filename;
                },
                scope: {},
                link: link
            };

            function link(scope, element, attrs) {
                scope.callback = function (objectName) {
                    $rootScope.$broadcast('SVG_COMPONENT_ON_CLICK', {
                        componentUid: attrs.uid,
                        objectName: objectName
                    });
                }
            }
        }]);
})();

ellipses.svg

<svg height="150" width="500">
  <ellipse ng-click="callback('Purple')" cx="240" cy="100" rx="220" ry="30" style="fill:purple" />
  <ellipse ng-click="callback('Green')" cx="220" cy="70" rx="190" ry="20" style="fill:lime" />
  <ellipse ng-click="callback('Yellow')" cx="210" cy="45" rx="170" ry="15" style="fill:yellow" />
  Sorry, your browser does not support inline SVG. 
</svg>

tux-mono.svg

<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="178pt" height="215pt" viewBox="0 0 178 215" version="1.1">
<g id="surface1">
<path style=" stroke:none;fill-rule:nonzero;fill:rgb(12.54902%,12.54902%,12.54902%);fill-opacity:1;" d="M 170.976562 169.433594 C 170.976562 169.433594 170.972656 169.429688 170.972656 169.425781 C 169.453125 167.714844 168.730469 164.539062 167.953125 161.15625 C 167.179688 157.777344 166.3125 154.132812 163.539062 151.769531 C 163.53125 151.765625 163.523438 151.761719 163.519531 151.753906 C 162.96875 151.273438 162.40625 150.871094 161.835938 150.53125 C 161.269531 150.195312 160.691406 149.917969 160.113281 149.703125 C 163.96875 138.261719 162.457031 126.871094 158.5625 116.578125 C 153.785156 103.941406 145.441406 92.933594 139.070312 85.40625 C 131.9375 76.40625 124.960938 67.867188 125.101562 55.253906 C 125.3125 36 127.21875 0.296875 93.335938 0.25 C 91.960938 0.246094 90.523438 0.304688 89.023438 0.425781 C 51.164062 3.472656 61.207031 43.472656 60.644531 56.863281 C 59.953125 66.660156 57.96875 74.378906 51.230469 83.953125 C 43.316406 93.363281 32.171875 108.597656 26.894531 124.453125 C 24.40625 131.9375 23.21875 139.566406 24.3125 146.785156 C 23.96875 147.09375 23.644531 147.414062 23.332031 147.746094 C 21.011719 150.226562 19.292969 153.230469 17.378906 155.253906 C 15.59375 157.039062 13.046875 157.71875 10.246094 158.71875 C 7.449219 159.726562 4.375 161.203125 2.511719 164.785156 C 2.511719 164.785156 2.511719 164.789062 2.507812 164.789062 C 2.503906 164.792969 2.503906 164.800781 2.496094 164.804688 C 1.621094 166.441406 1.335938 168.210938 1.335938 170.003906 C 1.335938 171.660156 1.578125 173.339844 1.828125 174.957031 C 2.34375 178.320312 2.863281 181.503906 2.171875 183.660156 C -0.0429688 189.71875 -0.328125 193.90625 1.234375 196.945312 C 2.796875 199.988281 6.011719 201.332031 9.640625 202.09375 C 16.90625 203.609375 26.746094 203.234375 34.496094 207.34375 L 35.164062 206.085938 L 34.503906 207.34375 C 42.804688 211.683594 51.21875 213.226562 57.933594 211.691406 C 62.800781 210.582031 66.753906 207.683594 68.78125 203.222656 C 74.03125 203.199219 79.796875 200.972656 89.023438 200.464844 C 95.289062 199.960938 103.109375 202.691406 112.109375 202.191406 C 112.34375 203.164062 112.683594 204.105469 113.148438 204.996094 C 113.152344 205.003906 113.15625 205.015625 113.164062 205.023438 C 116.648438 211.996094 123.128906 215.1875 130.039062 214.640625 C 136.953125 214.097656 144.304688 210.019531 150.25 202.949219 L 149.160156 202.03125 L 150.257812 202.9375 C 155.921875 196.066406 165.324219 193.21875 171.5625 189.460938 C 174.679688 187.578125 177.207031 185.226562 177.40625 181.804688 C 177.601562 178.386719 175.59375 174.558594 170.976562 169.433594 Z M 170.976562 169.433594 "/>
<path ng-click="callback('Left feet')" style=" stroke:none;fill-rule:nonzero;fill:rgb(100%,100%,100%);fill-opacity:1;" d="M 174.558594 181.640625 C 174.441406 183.753906 172.914062 185.320312 170.089844 187.019531 C 164.449219 190.421875 154.453125 193.382812 148.070312 201.113281 C 142.523438 207.710938 135.765625 211.335938 129.8125 211.804688 C 123.859375 212.273438 118.726562 209.804688 115.695312 203.726562 L 115.691406 203.714844 L 115.683594 203.699219 C 113.800781 200.125 114.585938 194.488281 116.167969 188.539062 C 117.75 182.589844 120.023438 176.480469 120.328125 171.515625 L 120.328125 171.503906 C 120.648438 165.140625 121.007812 159.585938 122.074219 155.300781 C 123.144531 151.011719 124.828125 148.113281 127.808594 146.480469 C 127.945312 146.40625 128.085938 146.332031 128.222656 146.265625 C 128.558594 151.773438 131.289062 157.390625 136.105469 158.605469 C 141.382812 159.996094 148.984375 155.472656 152.195312 151.78125 C 152.835938 151.753906 153.460938 151.722656 154.070312 151.707031 C 156.886719 151.640625 159.246094 151.800781 161.664062 153.914062 L 161.675781 153.925781 C 163.53125 155.496094 164.414062 158.46875 165.179688 161.792969 C 165.945312 165.121094 166.554688 168.742188 168.851562 171.324219 L 168.851562 171.328125 L 168.855469 171.332031 C 173.265625 176.226562 174.683594 179.53125 174.558594 181.640625 Z M 174.558594 181.640625 "/>
<path ng-click="callback('Right feet')" style=" stroke:none;fill-rule:nonzero;fill:rgb(100%,100%,100%);fill-opacity:1;" d="M 67.371094 197.238281 L 67.371094 197.269531 C 66.859375 203.953125 63.089844 207.59375 57.300781 208.917969 C 51.515625 210.238281 43.667969 208.921875 35.832031 204.824219 C 35.828125 204.824219 35.828125 204.824219 35.824219 204.824219 C 27.15625 200.230469 16.84375 200.6875 10.226562 199.304688 C 6.917969 198.613281 4.757812 197.574219 3.765625 195.644531 C 2.777344 193.710938 2.753906 190.34375 4.859375 184.601562 L 4.871094 184.578125 L 4.878906 184.550781 C 5.921875 181.339844 5.148438 177.824219 4.640625 174.523438 C 4.136719 171.226562 3.890625 168.226562 5.015625 166.132812 L 5.027344 166.113281 C 6.46875 163.335938 8.585938 162.339844 11.210938 161.398438 C 13.835938 160.457031 16.949219 159.71875 19.40625 157.253906 L 19.433594 157.226562 C 21.707031 154.828125 23.414062 151.820312 25.414062 149.691406 C 27.097656 147.890625 28.785156 146.695312 31.328125 146.679688 C 31.359375 146.683594 31.386719 146.683594 31.414062 146.679688 C 31.859375 146.683594 32.332031 146.71875 32.832031 146.796875 C 36.207031 147.308594 39.148438 149.667969 41.984375 153.511719 L 50.171875 168.429688 L 50.171875 168.4375 L 50.175781 168.441406 C 52.355469 172.988281 56.953125 177.992188 60.851562 183.09375 C 64.75 188.195312 67.765625 193.316406 67.371094 197.238281 Z M 67.371094 197.238281 "/>
<path ng-click="callback('Nose')" style=" stroke:none;fill-rule:nonzero;fill:rgb(100%,100%,100%);fill-opacity:1;" d="M 108.191406 58.171875 C 107.535156 56.886719 106.191406 55.660156 103.90625 54.722656 L 103.902344 54.71875 L 103.894531 54.71875 C 99.140625 52.683594 97.078125 52.539062 94.425781 50.8125 C 90.109375 48.039062 86.542969 47.066406 83.578125 47.078125 C 82.023438 47.082031 80.636719 47.359375 79.394531 47.789062 C 75.78125 49.03125 73.386719 51.621094 71.882812 53.046875 L 71.878906 53.046875 C 71.878906 53.050781 71.878906 53.050781 71.878906 53.050781 C 71.582031 53.332031 71.203125 53.585938 70.28125 54.261719 C 69.355469 54.941406 67.964844 55.960938 65.964844 57.460938 C 64.1875 58.792969 63.609375 60.527344 64.226562 62.558594 C 64.835938 64.59375 66.796875 66.9375 70.382812 68.964844 L 70.386719 68.96875 L 70.394531 68.972656 C 72.621094 70.28125 74.140625 72.042969 75.886719 73.445312 C 76.757812 74.144531 77.675781 74.769531 78.78125 75.242188 C 79.886719 75.714844 81.175781 76.035156 82.789062 76.128906 C 86.578125 76.351562 89.371094 75.210938 91.832031 73.800781 C 94.300781 72.394531 96.390625 70.671875 98.789062 69.894531 L 98.792969 69.890625 L 98.796875 69.890625 C 103.710938 68.355469 107.21875 65.261719 108.316406 62.324219 C 108.863281 60.855469 108.847656 59.460938 108.191406 58.171875 Z M 108.191406 58.171875 "/>
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</g>
</svg>

学分:

Demo

当您单击其中一个svg图像内的椭圆时,将在保存该图像的组件内部调用回调,并使用组件唯一ID和单击的对象名称广播事件。

Animated image demo

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