javascript - 如何修复jQuery mobile子菜单中标题下方的搜索字段
问题描述
我有一个主菜单,单击主菜单会打开一个包含多个项目的子菜单。下面sub-header
是一个search-field
.
我想修复search-field
下面的问题,sub-header
以便它不再滚动所有选项。
我不确定这是否可以用 CSS 完成。我没有通过添加overflow-y: scroll
到它来工作.ui-input-search
。
$(document).on("pagecreate", "#demo-dialog", function(e) {
var form = $("<form><input data-type='search'/></form>"),
page = $(this);
$(".ui-content", this)
.prepend(form);
form.enhanceWithin()
.on("keyup", "input", function() {
var data = $(this).val().toLowerCase();
$("li", page).addClass("ui-screen-hidden")
.filter(function(i, v) {
return $(this).text().toLowerCase().indexOf(data) > -1;
}).removeClass("ui-screen-hidden");
});
$(document).on("pagecontainerhide", function() {
$("#demo-menu li").removeClass("ui-screen-hidden");
$("input", form).val("");
});
});
$(document).on("pagebeforeshow", ".ui-dialog", function() {
$(".ui-dialog .ui-header a").buttonMarkup({
theme: "e",
iconpos: "left",
icon: "delete"
});
});
$(document).on("change", "#multi", function() {
if ($("option:selected", this).length == 0) {
$(".ui-dialog .ui-header a .ui-btn-text").text("Close");
}
if ($("option:selected", this).length > 0) {
$(".ui-dialog .ui-header a .ui-btn-text").text("Done!");
}
});
.ui-selectmenu.ui-popup .ui-input-search {
margin-left: .5em;
margin-right: .5em;
}
.ui-selectmenu.ui-dialog .ui-content {
padding-top: 0;
max-height: 85vh;
overflow-y: scroll;
}
.ui-selectmenu.ui-dialog .ui-selectmenu-list {
margin-top: 0;
}
.ui-selectmenu.ui-popup .ui-selectmenu-list li.ui-first-child .ui-btn {
border-top-width: 1px;
-webkit-border-radius: 0;
border-radius: 0;
}
.ui-selectmenu.ui-dialog .ui-header {
border-bottom-width: 1px;
padding-left: 50px;
}
<link rel="stylesheet" href="http://code.jquery.com/mobile/1.4.5/jquery.mobile-1.4.5.min.css">
<script src="http://code.jquery.com/jquery-1.11.1.min.js"></script>
<script src="http://code.jquery.com/mobile/1.4.5/jquery.mobile-1.4.5.min.js"></script>
<form>
<div class="ui-field-contain">
<label for="demo">Long list:</label>
<select name="demo" id="demo" multiple="multiple" data-native-menu="false" class="filterable-select">
<option value="AL">Alabama</option>
<option value="AK">Alaska</option>
<option value="AZ">Arizona</option>
<option value="AR">Arkansas</option>
<option value="CA">California</option>
<option value="CO">Colorado</option>
<option value="CT">Connecticut</option>
<option value="DE">Delaware</option>
<option value="FL">Florida</option>
<option value="GA">Georgia</option>
<option value="HI">Hawaii</option>
<option value="ID">Idaho</option>
<option value="IL">Illinois</option>
<option value="IN">Indiana</option>
<option value="IA">Iowa</option>
<option value="KS">Kansas</option>
<option value="KY">Kentucky</option>
<option value="LA">Louisiana</option>
<option value="ME">Maine</option>
<option value="MD">Maryland</option>
<option value="MA">Massachusetts</option>
<option value="MI">Michigan</option>
<option value="MN">Minnesota</option>
<option value="MS">Mississippi</option>
<option value="MO">Missouri</option>
<option value="MT">Montana</option>
<option value="NE">Nebraska</option>
<option value="NV">Nevada</option>
<option value="NH">New Hampshire</option>
<option value="NJ">New Jersey</option>
<option value="NM">New Mexico</option>
<option value="NY">New York</option>
<option value="NC">North Carolina</option>
<option value="ND">North Dakota</option>
<option value="OH">Ohio</option>
<option value="OK">Oklahoma</option>
<option value="OR">Oregon</option>
<option value="PA">Pennsylvania</option>
<option value="RI">Rhode Island</option>
<option value="SC">South Carolina</option>
<option value="SD">South Dakota</option>
<option value="TN">Tennessee</option>
<option value="TX">Texas</option>
<option value="UT">Utah</option>
<option value="VT">Vermont</option>
<option value="VA">Virginia</option>
<option value="WA">Washington</option>
<option value="WV">West Virginia</option>
<option value="WI">Wisconsin</option>
<option value="WY">Wyoming</option>
</select>
</div>
</form>
解决方案
来自 JQM 文档:
自定义选择菜单
自定义选择使用带有列表视图的弹出窗口来显示菜单。对于长列表,将使用对话框。
如果您需要在其中粘贴一些元素,并且只滚动一长串项目,框架将始终显示一个弹出窗口,因为列表项目的总高度永远不会超过屏幕高度。
所以,这里的问题是计算不超过屏幕高度的子菜单列表视图的最大高度,告诉框架这里不再需要可滚动的对话框页面。
编辑:移动弹出窗口重新定位的修补程序:窗口调整大小时的“原点”
$(document).on("selectmenucreate", "select[data-native-menu=false]", function(e, ui) {
var data = $(this).data("mobile-selectmenu"), hide = {"display": "none"};
data.list.attr("data-filter", "true").find("li[data-placeholder='true']").css(hide);
$("#" + data.menuId).css("max-height", "0");
$("#" + data.popupId)
.enhanceWithin()
.popup("option", {positionTo: data.button, history: false})
.data('mobile-popup').renderData = {selectId: this.id, mH: 0, hH: 0, fH: 0, iH: 0};
$(this).on("change", function () {
if ($("option:selected", this).length === 0) {
data.headerClose.addClass("ui-icon-delete").removeClass("ui-icon-check");
} else {
data.headerClose.addClass("ui-icon-check").removeClass("ui-icon-delete");
}
});
});
$(document).on("popupbeforeposition", function(e, ui) {
var popup = $(e.target), data = popup.data("mobile-popup"), rD = data.renderData;
if(rD) {
var select = $("#" + rD.selectId);
var sH = $.mobile.getScreenHeight();
if (rD.iH === 0) {
rD.mH = popup.outerHeight(true) - popup.height();
rD.hH = popup.find('.ui-header').outerHeight(true);
rD.fH = popup.find('.ui-filterable').outerHeight(true);
rD.iH = popup.find('li').outerHeight(true);
}
var maxItems = ((sH - rD.mH - rD.hH - rD.fH - 50) / rD.iH)|0,
maxHeight = maxItems * rD.iH;
select.data("mobile-selectmenu").list.css("max-height", maxHeight+"px");
}
});
$(document).on("popupafterclose", function(e, ui) {
var popup = $(e.target), data = popup.data("mobile-popup"), rD = data.renderData;
if(rD) {
popup.find("li").removeClass("ui-screen-hidden");
popup.find(".ui-filterable input").val("");
$("#" + rD.selectId).data("mobile-selectmenu").list.css("max-height", "0");
}
});
/* scrollable listview for select popup */
.ui-selectmenu-list.ui-listview {
overflow-x: hidden;
overflow-y: auto;
}
/* just some air around the popup */
.ui-selectmenu.ui-popup {
padding: 0.6em;
}
.ui-selectmenu .ui-header .ui-icon-delete {
background-color: orange !important;
border: 1px solid red !important;
}
.ui-selectmenu .ui-header .ui-icon-check {
background-color: #90ee90 !important;
border: 1px solid green !important;
}
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no" />
<link rel="stylesheet" href="https://code.jquery.com/mobile/1.4.5/jquery.mobile-1.4.5.css" />
<script src="https://code.jquery.com/jquery-2.2.3.js"></script>
<script>
$( document ).on( "mobileinit", function() {
$.widget( "mobile.popup", $.mobile.popup, {
_resizeTimeout: function() {
if ( this._isOpen ) {
if ( !this._expectResizeEvent() ) {
if ( this._ui.container.hasClass( "ui-popup-hidden" ) ) {
this._ui.container.removeClass( "ui-popup-hidden ui-popup-truncate" );
this.reposition( { positionTo: this.options.positionTo } ); /* hotfix */
this._ignoreResizeEvents();
}
this._resizeScreen();
this._resizeData = null;
this._orientationchangeInProgress = false;
}
} else {
this._resizeData = null;
this._orientationchangeInProgress = false;
}
}
});
});
</script>
<script src="https://ajax.googleapis.com/ajax/libs/jquerymobile/1.4.5/jquery.mobile.js"></script>
</head>
<body>
<div data-role="page" id="page-select-country">
<div data-role="content">
<div class="ui-field-contain">
<label for="country-select">Select Country</label>
<select name="country-select" id="country-select" multiple="multiple" data-native-menu="false">
<option>Choose Your Country</option>
<option value="AL">Alabama</option>
<option value="AK">Alaska</option>
<option value="AZ">Arizona</option>
<option value="AR">Arkansas</option>
<option value="CA">California</option>
<option value="CO">Colorado</option>
<option value="CT">Connecticut</option>
<option value="DE">Delaware</option>
<option value="FL">Florida</option>
<option value="GA">Georgia</option>
<option value="HI">Hawaii</option>
</select>
</div>
<div class="ui-field-contain">
<label for="city-select">Select City</label>
<select name="city-select" id="city-select" multiple="multiple" data-native-menu="false">
<option>Choose Your City</option>
<option value="LA">Los Angeles</option>
<option value="NY">New York</option>
<option value="SF">San Francisco</option>
<option value="WH">Washington</option>
</select>
</div>
</div>
</div>
</body>
</html>
请注意:也可以通过按 ESC 键或单击/点击它外部来关闭弹出窗口。
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