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78 lines
3.1 KiB
ReStructuredText
78 lines
3.1 KiB
ReStructuredText
编写 NodeBB 组件
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==========================
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See the original `blog post <http://blog.nodebb.org/widgets-system/>`_ for a high level overview and screenshots of the widget system.
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嵌入 HTML 和 JavaScript
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-----------------------------
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You don't need to be a developer to figure this out. Head over to the Themes control panel and click on the Widgets tab. Create a new HTML widget by dragging and dropping the widget onto whatever template you want.
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Copy and paste HTML or JavaScript into the widget and hit save - you're done!
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You can optionally give your widget a container by dragging and dropping from the containers section onto your selected widget.
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If you're looking for some sample scripts, head over to our `plugins section <http://community.nodebb.org/category/7/nodebb-plugins>`_ and look for any topic labelled ``nodebb-script-xyz``. Don't forget to submit your scripts and ideas as well!
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创建组件
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-----------------------------
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You can define widgets in both plugins and themes. If you're building a plugin which simply delivers a widget (or collection of widgets), we strongly suggest you follow the ``nodebb-widget-xyz`` nomenclature instead when publishing.
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Registering your widget
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^^^^^^^^^^^^^^^^^^^^^^^^^^^
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Listen to this hook to register your widget:
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.. code:: json
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"hook": "filter:widgets.getWidgets", "method": "defineWidgets", "callbacked": true
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Pass this back in the array:
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.. code:: json
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{
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widget: "widget_namespace",
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name: "My Widget",
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description: "Short description of what it does.",
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content: "<input type=\"text\" name=\"myKey\" class=\"form-control\" />"
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}
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``Content`` defines the form that is displayed to customize your widget in the admin panel.
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监听你的组件
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^^^^^^^^^^^^^^^^^^^^^^^^^^^
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NodeBB core will call your widget on the appropriate page load by way of the hooks system. The hook will be named after your widget's namespace (see previous example) - like so: ``filter:widget.render:widget_namespace``
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This will pass in an object with the following useful properties:
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* ``obj.area`` - will have ``location``, ``template``, ``url``
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* ``obj.data`` - will have your admin-defined data; in the example from the previous section you will be exposed an ``obj.data.myKey``
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在主题中定义组件区域
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------------------------------------
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A Widget Area is characterized by a template and a location. Themes can share widgets if they define the same Widget Areas. If an admin switches themes, widgets that were previously defined in a Widget Area incompatible with the new theme are saved.
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Listen to this hook to register your Widget Area:
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.. code:: json
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"hook": "filter:widgets.getAreas", "method": "defineWidgetAreas", "callbacked": true
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Pass this back in the array:
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.. code:: json
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{
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name: "Category Sidebar",
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template: "category.tpl",
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location: "sidebar"
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}
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And that's all. You can define as many Widget Areas in your theme as you wish. If you're still stuck, have a look at `this commit <https://github.com/NodeBB/nodebb-theme-cerulean/commit/50e49a9da5a89484fa8001bbda2e613b69f18e86>`_ which upgraded the Cerulean theme to use the widget system.
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