241 lines
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241 lines
16 KiB
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<ol class="chapter"><li class="chapter-item expanded affix "><a href="../index.html">Introduction</a></li><li class="chapter-item expanded affix "><li class="part-title">Features</li><li class="chapter-item expanded "><a href="../features/index.html"><strong aria-hidden="true">1.</strong> Adding the Router to Your Application</a></li><li class="chapter-item expanded "><a href="../features/routes/index.html"><strong aria-hidden="true">2.</strong> Defining Routes</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../features/routes/nested.html"><strong aria-hidden="true">2.1.</strong> Nested Routes</a></li><li class="chapter-item expanded "><a href="../features/routes/catch_all.html"><strong aria-hidden="true">2.2.</strong> Catch All Routes</a></li><li class="chapter-item expanded "><a href="../features/routes/matching.html"><strong aria-hidden="true">2.3.</strong> Matching Routes</a></li><li class="chapter-item expanded "><a href="../features/routes/fallback.html"><strong aria-hidden="true">2.4.</strong> Fallback Routes (404 page)</a></li><li class="chapter-item expanded "><a href="../features/routes/multiple-and-redirect.html"><strong aria-hidden="true">2.5.</strong> Multiple Components & Redirects</a></li></ol></li><li class="chapter-item expanded "><a href="../features/outlets.html"><strong aria-hidden="true">3.</strong> Outlets</a></li><li class="chapter-item expanded "><a href="../features/navigation/index.html"><strong aria-hidden="true">4.</strong> Links & Navigation</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../features/navigation/name.html"><strong aria-hidden="true">4.1.</strong> Named Navigation</a></li><li class="chapter-item expanded "><a href="../features/navigation/external.html"><strong aria-hidden="true">4.2.</strong> External Navigation</a></li><li class="chapter-item expanded "><a href="../features/navigation/programmatic.html"><strong aria-hidden="true">4.3.</strong> Programmatic Navigation</a></li></ol></li><li class="chapter-item expanded "><a href="../features/query.html"><strong aria-hidden="true">5.</strong> Query</a></li><li class="chapter-item expanded "><a href="../features/failures/index.html"><strong aria-hidden="true">6.</strong> Navigation Failures</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../features/failures/named.html"><strong aria-hidden="true">6.1.</strong> Named Navigation Failure</a></li><li class="chapter-item expanded "><a href="../features/failures/external.html"><strong aria-hidden="true">6.2.</strong> External Navigation Failure</a></li><li class="chapter-item expanded "><a href="../features/failures/redirection-limit.html"><strong aria-hidden="true">6.3.</strong> Redirection Limit Failure</a></li></ol></li><li class="chapter-item expanded "><a href="../features/history-providers.html"><strong aria-hidden="true">7.</strong> History Providers</a></li><li class="chapter-item expanded "><a href="../features/history-buttons.html" class="active"><strong aria-hidden="true">8.</strong> History Buttons</a></li><li class="chapter-item expanded "><a href="../features/sitemap-generation.html"><strong aria-hidden="true">9.</strong> Sitemap Generation</a></li><li class="chapter-item expanded "><a href="../features/routing-update-callback.html"><strong aria-hidden="true">10.</strong> Routing Update Callback</a></li><li class="chapter-item expanded affix "><li class="part-title">Example Project</li><li class="chapter-item expanded "><a href="../example/index.html"><strong aria-hidden="true">11.</strong> Overview</a></li><li class="chapter-item expanded "><a href="../example/first-route.html"><strong aria-hidden="true">12.</strong> Creating Our First Route</a></li><li class="chapter-item expanded "><a href="../example/building-a-nest.html"><strong aria-hidden="true">13.</strong> Building a Nest</a></li><li class="chapter-item expanded "><a href="../example/navigation-targets.html"><strong aria-hidden="true">14.</strong> Navigation Targets</a></li><li class="chapter-item expanded "><a href="../example/redirection-perfection.html"><strong aria-hidden="true">15.</strong> Redirection Perfection</a></li><li class="chapter-item expanded "><a href="../example/full-code.html"><strong aria-hidden="true">16.</strong> Full Code</a></li></ol>
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<h1 class="menu-title">Dioxus Router</h1>
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<main>
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<h1 id="history-buttons"><a class="header" href="#history-buttons">History Buttons</a></h1>
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<p>Some platforms, like web browsers, provide users with an easy way to navigate
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through an apps history. They have UI elements or integrate with the OS.</p>
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<p>However, native platforms usually don't provide such amenities, which means that
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apps wanting users to have access to them, need to implement them. For this
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reason the router comes with two components, which emulate a browsers back and
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forward buttons:</p>
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<ul>
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<li><a href="https://docs.rs/dioxus-router/latest/dioxus_router/components/fn.GoBackButton.html"><code>GoBackButton</code></a></li>
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<li><a href="https://docs.rs/dioxus-router/latest/dioxus_router/components/fn.GoForwardButton.html"><code>GoForwardButton</code></a></li>
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</ul>
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<blockquote>
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<p>If you want to navigate through the history programmatically, take a look at
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<a href="./navigation/programmatic.html"><code>programmatic navigation</code></a>.</p>
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</blockquote>
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<pre><pre class="playground"><code class="language-rust no_run edition2021">
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<span class="boring">#![allow(unused)]
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</span><span class="boring">fn main() {
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</span><span class="boring">// Hidden lines (like this one) make the documentation tests work.
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</span><span class="boring">extern crate dioxus;
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</span>use dioxus::prelude::*;
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<span class="boring">extern crate dioxus_router;
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</span>use dioxus_router::prelude::*;
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fn HistoryNavigation(cx: Scope) -> Element {
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render! {
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GoBackButton {
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"Back to the Past"
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}
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GoForwardButton {
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"Back to the Future" /* You see what I did there? 😉 */
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}
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}
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}
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<span class="boring">}
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</span></code></pre></pre>
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<p>As you might know, browsers usually disable the back and forward buttons if
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there is no history to navigate to. The routers history buttons try to do that
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too, but depending on the <a href="./history-providers.html">history provider</a> that might not be possible.</p>
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<p>Importantly, neither <a href="https://docs.rs/dioxus-router-core/latest/dioxus_router_core/history/struct.WebHistory.html"><code>WebHistory</code></a> nor <a href="https://docs.rs/dioxus-router-core/latest/dioxus_router_core/history/struct.WebHashHistory.html"><code>WebHashHistory</code></a> support that feature.
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This is due to limitations of the browser History API.</p>
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<p>However, in both cases the router will just ignore button presses, if there is
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no history to navigate to.</p>
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<p>Also, when using <a href="https://docs.rs/dioxus-router-core/latest/dioxus_router_core/history/struct.WebHistory.html"><code>WebHistory</code></a> or <a href="https://docs.rs/dioxus-router-core/latest/dioxus_router_core/history/struct.WebHashHistory.html"><code>WebHashHistory</code></a>, the history buttons might
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navigate a user to a history entry outside your app.</p>
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