Angular.js：在页面加载设置元素高度 [英] Angular.js: set element height on page load

问题描述

我AngularJS新手。我想创建网格（使用 NG-电网），它高度依赖于窗口的高度，即。 $（'。gridStyle'）的高度（$（窗口）.height（） - 100）;

I'm AngularJS newbie. I want to create grid (using ng-grid) which height depends on window height ie. $('.gridStyle').height($(window).height() - 100);

我已经写指令：

app.directive('resize', function($window) {

    return function(scope, element) {

        function applyHeight() {
            scope.height = $window.innerHeight;
            $('.gridStyle').height(scope.height - 100);
        }

        angular.element($window).bind('resize', function() {
            scope.$apply(function() {
                applyHeight();
            });
        });

        applyHeight();
    };
});

这工作得很好，当我调整浏览器窗口，但如果网站加载首次不适用的风格。我在哪里可以把code到initalize高度？

This works well when I resize browser window but style is not applied when site is loaded for the first time. Where can I put code to initalize height?

推荐答案

我在你的岗位之际，我一直在寻找一个解决同样的问题我自己。我总结了以下解决方案使用基于一些职位的指令。你可以在这里尝试（尝试调整浏览器窗口）： http://jsfiddle.net/zbjLh/2/

I came across your post as I was looking for a solution to the same problem for myself. I put together the following solution using a directive based on a number of posts. You can try it here (try resizing the browser window): http://jsfiddle.net/zbjLh/2/

查看：

<div ng-app="miniapp" ng-controller="AppController" ng-style="style()" resize>
    window.height: {{windowHeight}} <br />
    window.width: {{windowWidth}} <br />
</div>

控制器：

var app = angular.module('miniapp', []);

function AppController($scope) {
    /* Logic goes here */
}

app.directive('resize', function ($window) {
    return function (scope, element) {
        var w = angular.element($window);
        scope.getWindowDimensions = function () {
            return { 'h': w.height(), 'w': w.width() };
        };
        scope.$watch(scope.getWindowDimensions, function (newValue, oldValue) {
            scope.windowHeight = newValue.h;
            scope.windowWidth = newValue.w;

            scope.style = function () {
                return { 
                    'height': (newValue.h - 100) + 'px',
                    'width': (newValue.w - 100) + 'px' 
                };
            };

        }, true);

        w.bind('resize', function () {
            scope.$apply();
        });
    }
})

FYI我原本在一个控制器（ http://jsfiddle.net/zbjLh/ ）的工作，但是从随后的阅读发现这是从角的角度酷，所以我现在已经把它转换使用指令。

FYI I originally had it working in a controller (http://jsfiddle.net/zbjLh/), but from subsequent reading found that this is uncool from Angular's perspective, so I have now converted it to use a directive.

重要的是，请注意真正标记在监视功能的末尾，用于比较getWindowDimensions返回对象的平等（删除或更改为false如果不使用对象）。

Importantly, note the true flag at the end of the 'watch' function, for comparing the getWindowDimensions return object's equality (remove or change to false if not using an object).

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