[英]How to switch to another page in rotary selector in Tizen web app
我对 JavaScript 和 Tizen Web 开发非常陌生。 所以我正在尝试实现旋转选择器。 选择一个元素后,我想切换到它的特定页面。 现在我可以 select 元素但不能切换到另一个页面。
索引.html
<div class="ui-page" data-enable-page-scroll="false" id="selector-page">
<div class="ui-selector" id="selector">
<div class="ui-item human-icon" data-title="Human"></div>
<div class="ui-item show-icon" data-title="Show"></div>
<div class="ui-item human-icon" data-title="Human"></div>
<div class="ui-item delete-icon" data-title="Delete"></div>
<script src="selector.js"></script>
</div>
</div>
选择器.js
/* global tau */
(function () {
var page = document.getElementById("selector-page"),
selector = document.getElementById("selector"),
selectorComponent,
clickBound;
function onClick(event) {
var target = event.target;
if (target.classList.contains("ui-selector-indicator")) {
return;
}
}
page.addEventListener("pagebeforeshow", function () {
clickBound = onClick.bind(null);
selectorComponent = tau.widget.Selector(selector);
selector.addEventListener("click", clickBound, false);
});
page.addEventListener("pagebeforehide", function () {
selector.removeEventListener("click", clickBound, false);
selectorComponent.destroy();
});
}());
更新
我已经添加了这段代码,它对我有用,但我不确定它是否是正确的方法。
索引.html
<div class="ui-page" data-enable-page-scroll="false" id="selector-page">
<div class="ui-selector" id="selector">
<div class="ui-item human-icon" data-title="Human">
<a href="page2.html" class="next-page"></a>
</div>
...
选择器.js
function onClick(event) {
var target = event.target;
if (target.classList.contains("ui-selector-indicator")) {
tau.changePage(document.getElementsByClassName(target.className)[0].getElementsByClassName("next-page")[0].getAttribute("href"));
return;
}
}
如果要a
链接,只需将div
替换a
:
<div class="ui-page" data-enable-page-scroll="false" id="selector-page">
<div class="ui-selector" id="selector">
<a class="ui-item human-icon" data-title="Human" href="next-page.html"></a>
<div class="ui-item show-icon" data-title="Show"></div>
</div>
</div>
但是您可以通过其他方式执行此操作,例如:
<div class="ui-page" data-enable-page-scroll="false" id="selector-page">
<div class="ui-selector" id="selector">
<div class="ui-item human-icon" data-title="Human" data-href="next-page.html"></div>
<div class="ui-item show-icon" data-title="Show"></div>
</div>
</div>
并修改selector.js
:
function onClick(event) {
var target = event.target,
activeItem,
url;
if (target.classList.contains("ui-selector-indicator")) {
activeItem = selector.querySelector(".ui-item-active");
if (activeItem) {
url = activeItem.getAttribute("data-href");
if (url) {
tau.changePage(url);
}
}
}
}
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