看the demo或与另一主题相同的演示:this和this。
首先我修改了jquery.contextmenu.js
的代码来支持jQuery UI的主题。然后,我更多地修改了代码,以便能够更动态地创建上下文菜单。在jquery.contextmenu.js
的修改版本中,不仅可以在onContextMenu
中创建菜单和绑定,还可以在onShowMenu
中创建菜单和绑定。里面的onContextMenu
一个只能创建空的菜单
<div id="myMenu"><ul></ul></div>
是很重要的,如果只用一个动态的按钮,从导航条的文本图标的切换。
您可以下载文件here的修改版本。
在演示中,我使用了the answer代码的最后一次修改,因此标准上下文菜单仍可以在选定文本的网格中或启用的input/textarea字段中使用。浏览器的上下文菜单将显示在该情况下:
我改性createContexMenuFromNavigatorButtons
函数的代码从the answer为以下:
var getSelectedText = function() {
var text = '';
if (window.getSelection) {
text = window.getSelection();
} else if (document.getSelection) {
text = document.getSelection();
} else if (document.selection) {
text = document.selection.createRange().text;
}
return typeof (text) === 'string' ? text : text.toString();
},
createContexMenuFromNavigatorButtons = function (grid, pager) {
var menuId = 'menu_' + grid[0].id, menuUl = $('<ul>'),
menuDiv = $('<div>').attr('id', menuId);
menuUl.appendTo(menuDiv);
menuDiv.appendTo('body');
grid.contextMenu(menuId, {
bindings: {}, // the bindings will be created in the onShowMenu
onContextMenu: function (e) {
var p = grid[0].p, i, lastSelId, $target = $(e.target),
rowId = $target.closest("tr.jqgrow").attr("id"),
isInput = $target.is(':text:enabled') ||
$target.is('input[type=textarea]:enabled') ||
$target.is('textarea:enabled');
if (rowId && !isInput && getSelectedText() === '') {
i = $.inArray(rowId, p.selarrrow);
if (p.selrow !== rowId && i < 0) {
// prevent the row from be unselected
// the implementation is for "multiselect:false" which we use,
// but one can easy modify the code for "multiselect:true"
grid.jqGrid('setSelection', rowId);
} else if (p.multiselect) {
// Edit will edit FIRST selected row.
// rowId is allready selected, but can be not the last selected.
// Se we swap rowId with the first element of the array p.selarrrow
lastSelId = p.selarrrow[p.selarrrow.length - 1];
if (i !== p.selarrrow.length - 1) {
p.selarrrow[p.selarrrow.length - 1] = rowId;
p.selarrrow[i] = lastSelId;
p.selrow = rowId;
}
}
return true;
} else {
return false; // no contex menu
}
},
onShowMenu: function (e, $menu) {
var options = this, $menuUl = $menu.find('ul:first').empty();
$('table.navtable .ui-pg-button', pager).each(function() {
var $spanIcon, text, $td, id, $li, $a, button,
$div = $(this).children('div.ui-pg-div:first'),
gridId = grid[0].id;
if ($div.length === 1) {
text = $div.text();
$td = $div.parent();
if (text === '') {
text = $td.attr('title');
}
if (this.id !== '' && text !== '') {
id = 'menuitem_' + this.id;
if (id.length > gridId.length + 2) {
id = id.substr(0, id.length - gridId.length - 1);
}
} else {
// for custom buttons
id = $.jgrid.randId();
}
$li = $('<li>').attr('id', id);
$spanIcon = $div.children('span.ui-icon');
if ($spanIcon.length > 0) {
// standard navGrid button or button added by navButtonAdd
$li.append($('<a>')
.text(text)
.prepend($spanIcon.clone().css({
float: 'left',
marginRight: '0.5em'
})));
$menuUl.append($li);
options.bindings[id] = (function ($button) {
return function() { $button.click(); };
}($div));
} else {
button = $div.children("input").data("button");
if (button !== undefined) {
$a = $('<a>')
.text(button.options.label)
.prepend(
$('<label>').addClass("ui-corner-all").css({
float: 'left',
width: '16px',
borderWidth: '0px',
marginRight: '0.5em'//'4px'
}).append(
$('<span>').addClass("ui-button-icon-primary ui-icon " +
button.options.icons.primary)
.css({
float: 'left',
marginRight: '0.5em'
})
)
);
$li.append($a);
if (button.type === "checkbox" && button.element.is(':checked')) {
$a.find('label:first').addClass("ui-state-active");
}
$menuUl.append($li);
options.bindings[id] = (function ($button, isCheckbox) {
if (isCheckbox) {
return function() {
if ($button.is(':checked')) {
$button.siblings('label').removeClass("ui-state-active");
} else {
$button.siblings('label').addClass("ui-state-active");
}
$button.click();
$button.button("refresh"); // needed for IE7-IE8
};
} else {
return function() { $button.click(); };
}
}(button.element, button.type === "checkbox"));
}
}
}
});
return $menu;
}
});
},
autoedit = false;
,并在填充所述检查按钮与仅改变一点的代码的导航栏:
$("#pager_left table.navtable tbody tr").append(
'<td class="ui-pg-button ui-corner-all">' +
'<div class="ui-pg-div my-nav-checkbox">' +
'<input tabindex="-1" type="checkbox" id="AutoEdit" />' +
'<label title="Checkx caption which should appear as button tooltip"' +
' for="AutoEdit">Autoedit</label></div></td>'
);
$("#AutoEdit").button({
text: false,
icons: {primary: "ui-icon-mail-closed"}
}).click(function() {
var iconClass, $this = $(this);
if (!autoedit) { // $this.is(':checked')) {
autoedit = true;
iconClass = "ui-icon-mail-open";
} else {
autoedit = false;
iconClass = "ui-icon-mail-closed";
}
$this.button("option", {icons: {primary: iconClass}});
});
createContexMenuFromNavigatorButtons($grid, '#pager');
已更新:另外一个支持按新增inlineNav方法添加按钮的演示,您可以找到here。此外,我包括在演示的功能normalizePagers
,我用它来提高寻呼机的外观:
你怎么能看到的ContextMenu仅包括启用按钮从导航栏。
我更新了我的答案。 – Oleg