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javascript - 使用 Ext.form.field.HtmlEditor 右键单击​​上下文菜单

转载 作者:行者123 更新时间:2023-11-28 00:16:50 25 4
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问题描述

我已经准备好了这个index.html,它创建了一个简单的Ext.form.field.HtmlEditor。我想要一个右键上下文菜单,它能够对用户标记的单词执行某些操作:

<!DOCTYPE html>
<html>
<head>
<script type="text/javascript" src="/ext-5.1.1/build/ext-all-debug.js"></script>

<link id="theme1" rel="stylesheet" type="text/css" href="/ext-5.1.1/build/packages/ext-theme-neptune/build/resources/ext-theme-neptune-all.css">
<script type="text/javascript" src="/ext-5.1.1/build/packages/ext-theme-neptune/build/ext-theme-neptune.js"></script>

<script type ="text/javascript">
Ext.onReady( function(){

var html_editor = Ext.create('Ext.form.HtmlEditor', {
renderTo: Ext.getBody()
});
});


</script>
</head>
<body></body>

到目前为止我做了什么:

我尝试实现监听器和上下文菜单,但右键单击时它不显示菜单,因此最终我的 index.html 看起来像:

<!DOCTYPE html>
<html>
<head>
<script type="text/javascript" src="/ext-5.1.1/build/ext-all-debug.js"></script>

<link id="theme1" rel="stylesheet" type="text/css" href="/ext-5.1.1/build/packages/ext-theme-neptune/build/resources/ext-theme-neptune-all.css">
<script type="text/javascript" src="/ext-5.1.1/build/packages/ext-theme-neptune/build/ext-theme-neptune.js"></script>

<script type ="text/javascript">
Ext.onReady( function(){

var html_editor_right_click_menu_action_1 = Ext.create('Ext.Action', {
text: 'html_editor_right_click_menu_action_1',
handler: function(widget, event) {
console.log("html_editor_right_click_menu_action_1 clicked!");
}
});
var html_editor_right_click_menu = Ext.create('Ext.menu.Menu', {
items: [html_editor_right_click_menu_action_1]
});


var html_editor = Ext.create('Ext.form.HtmlEditor', {
renderTo: Ext.getBody(),
viewConfig: {
listeners: {
containercontextmenu: function(view, e, eOpts) {
console.log("containercontextmenu listener");
}
}
}
});
});


</script>
</head>
<body></body>

不幸的是,右键单击的console.log()右键单击菜单都没有显示。有人能指出我正确的方向吗?

编辑:(取得的进展)

我在index.html中使用此代码显示了一个上下文菜单(如果有人想复制和粘贴它,index.html可以自行运行),但我无法摆脱浏览器上下文-菜单显示在 html_editor 内:

<!DOCTYPE html>
<html>
<head>
<script type="text/javascript" src="/ext-5.1.1/build/ext-all-debug.js"></script>

<link id="theme1" rel="stylesheet" type="text/css" href="/ext-5.1.1/build/packages/ext-theme-neptune/build/resources/ext-theme-neptune-all.css">
<script type="text/javascript" src="/ext-5.1.1/build/packages/ext-theme-neptune/build/ext-theme-neptune.js"></script>

<script type ="text/javascript">
Ext.onReady( function(){

var html_editor_right_click_menu_action_1 = Ext.create('Ext.Action', {
text: 'html_editor_right_click_menu_action_1',
handler: function(widget, event) {
console.log("html_editor_right_click_menu_action_1 clicked!");
}
});
var html_editor_right_click_menu = Ext.create('Ext.menu.Menu', {
items: [html_editor_right_click_menu_action_1]
});


var html_editor = Ext.create('Ext.form.HtmlEditor', {
renderTo: Ext.getBody()
});

html_editor.getEl().addListener('click',
html_editor_click_handler,
html_editor);
function html_editor_click_handler(btn, e, eOpts){
var clicked_button = btn.button;
var click_x_pos = btn.pageX;
var click_y_pos = btn.pageY;
console.log(clicked_button + " " + click_x_pos + " " + click_y_pos);
if(clicked_button == 2){
html_editor_right_click_menu.showAt(click_x_pos,click_y_pos);
}
}

});
</script>
</head>
<body></body>

如何阻止浏览器上下文菜单出现在 extjs5 上下文菜单上方?

最佳答案

要阻止显示默认上下文菜单,请调用 event.preventDefault()

但是,这种情况还有一个额外的问题。 HTMLEditor 创建一个用于进行编辑的 iframe。

加载后,您必须在 iframe 的主体上设置一个 contextmenu 监听器。请参阅https://fiddle.sencha.com/#fiddle/ncn

您不应该做您正在做的事情(处理单击并检查单击了哪个按钮),因为还有其他方法可以显示上下文菜单。在 Mac 上,您可以按住 Ctrl 键并单击,在 Windows 上,您可以使用键盘上的上下文菜单键。

var html_editor_right_click_menu_action_1 = Ext.create('Ext.Action', {
text: 'html_editor_right_click_menu_action_1',
handler: function(widget, event) {
console.log("html_editor_right_click_menu_action_1 clicked!");
}
});

var html_editor_right_click_menu = Ext.create('Ext.menu.Menu', {
items: [html_editor_right_click_menu_action_1]
});

var html_editor = Ext.create('Ext.form.HtmlEditor', {
renderTo: Ext.getBody()
});

// Find the iframe and wait until it's loaded
var iframe = html_editor.getEl().down('iframe', true);
iframe.addEventListener('load', function() {
// It's loaded, now set the context menu listener
var body = iframe.contentWindow.document.body;
body.addEventListener('contextmenu', html_editor_click_handler);
});

function html_editor_click_handler(e, iframe) {
// Prevents the default context menu
e.preventDefault();
var click_x_pos = e.pageX;
var click_y_pos = e.pageY;
console.log("Context click " + click_x_pos + " " + click_y_pos);
html_editor_right_click_menu.showAt(click_x_pos, click_y_pos);

}

关于javascript - 使用 Ext.form.field.HtmlEditor 右键单击​​上下文菜单,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/30394662/

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