639 lines
17 KiB
Plaintext
639 lines
17 KiB
Plaintext
Gerrit Code Review - JavaScript API
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===================================
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Gerrit Code Review supports an API for JavaScript plugins to interact
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with the web UI and the server process.
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Entry Point
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-----------
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JavaScript is loaded using a standard `<script src='...'>` HTML tag.
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Plugins should protect the global namespace by defining their code
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within an anonymous function passed to `Gerrit.install()`. The plugin
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will be passed an object describing its registration with Gerrit:
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[source,javascript]
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----
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Gerrit.install(function (self) {
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// ... plugin JavaScript code here ...
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});
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----
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[[self]]
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Plugin Instance
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---------------
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The plugin instance is passed to the plugin's initialization function
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and provides a number of utility services to plugin authors.
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[[self_delete]]
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self.delete()
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~~~~~~~~~~~~~
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Issues a DELETE REST API request to the Gerrit server.
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.Signature
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[source,javascript]
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----
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Gerrit.delete(url, callback)
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----
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* url: URL relative to the plugin's URL space. The JavaScript
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library prefixes the supplied URL with `/plugins/{getPluginName}/`.
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* callback: JavaScript function to be invoked with the parsed
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JSON result of the API call. DELETE methods often return
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`204 No Content`, which is passed as null.
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[[self_get]]
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self.get()
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~~~~~~~~~~
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Issues a GET REST API request to the Gerrit server.
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.Signature
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[source,javascript]
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----
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self.get(url, callback)
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----
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* url: URL relative to the plugin's URL space. The JavaScript
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library prefixes the supplied URL with `/plugins/{getPluginName}/`.
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* callback: JavaScript function to be invoked with the parsed JSON
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result of the API call. If the API returns a string the result is
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a string, otherwise the result is a JavaScript object or array,
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as described in the relevant REST API documentation.
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[[self_getPluginName]]
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self.getPluginName()
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~~~~~~~~~~~~~~~~~~~~
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Returns the name this plugin was installed as by the server
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administrator. The plugin name is required to access REST API
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views installed by the plugin, or to access resources.
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[[self_post]]
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self.post()
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~~~~~~~~~~~
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Issues a POST REST API request to the Gerrit server.
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.Signature
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[source,javascript]
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----
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self.post(url, input, callback)
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----
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* url: URL relative to the plugin's URL space. The JavaScript
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library prefixes the supplied URL with `/plugins/{getPluginName}/`.
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* input: JavaScript object to serialize as the request payload.
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* callback: JavaScript function to be invoked with the parsed JSON
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result of the API call. If the API returns a string the result is
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a string, otherwise the result is a JavaScript object or array,
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as described in the relevant REST API documentation.
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[source,javascript]
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----
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self.post(
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'/my-servlet',
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{start_build: true, platform_type: 'Linux'},
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function (r) {});
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----
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[[self_put]]
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self.put()
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~~~~~~~~~~
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Issues a PUT REST API request to the Gerrit server.
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.Signature
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[source,javascript]
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----
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self.put(url, input, callback)
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----
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* url: URL relative to the plugin's URL space. The JavaScript
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library prefixes the supplied URL with `/plugins/{getPluginName}/`.
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* input: JavaScript object to serialize as the request payload.
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* callback: JavaScript function to be invoked with the parsed JSON
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result of the API call. If the API returns a string the result is
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a string, otherwise the result is a JavaScript object or array,
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as described in the relevant REST API documentation.
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[source,javascript]
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----
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self.put(
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'/builds',
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{start_build: true, platform_type: 'Linux'},
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function (r) {});
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----
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[[self_onAction]]
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self.onAction()
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~~~~~~~~~~~~~~~
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Register a JavaScript callback to be invoked when the user clicks
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on a button associated with a server side `UiAction`.
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.Signature
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[source,javascript]
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----
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Gerrit.onAction(type, view_name, callback);
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----
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* type: `'change'`, `'revision'` or `'project'`, indicating which type
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of resource the `UiAction` was bound to in the server.
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* view_name: string appearing in URLs to name the view. This is the
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second argument of the `get()`, `post()`, `put()`, and `delete()`
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binding methods in a `RestApiModule`.
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* callback: JavaScript function to invoke when the user clicks. The
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function will be passed a link:#ActionContext[action context].
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[[self_url]]
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self.url()
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~~~~~~~~~~
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Returns a URL within the plugin's URL space. If invoked with no
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parameter the URL of the plugin is returned. If passed a string
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the argument is appended to the plugin URL.
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[source,javascript]
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----
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self.url(); // "https://gerrit-review.googlesource.com/plugins/demo/"
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self.url('/static/icon.png'); // "https://gerrit-review.googlesource.com/plugins/demo/static/icon.png"
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----
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[[ActionContext]]
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Action Context
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--------------
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A new action context is passed to the `onAction` callback function
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each time the associated action button is clicked by the user. A
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context is initialized with sufficient state to issue the associated
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REST API RPC.
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[[context_action]]
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context.action
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~~~~~~~~~~~~~~
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An link:rest-api-changes.html#action-info[ActionInfo] object instance
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supplied by the server describing the UI button the user used to
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invoke the action.
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[[context_call]]
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context.call()
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~~~~~~~~~~~~~~
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Issues the REST API call associated with the action. The HTTP method
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used comes from `context.action.method`, hiding the JavaScript from
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needing to care.
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.Signature
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[source,javascript]
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----
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context.call(input, callback)
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----
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* input: JavaScript object to serialize as the request payload. This
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parameter is ignored for GET and DELETE methods.
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* callback: JavaScript function to be invoked with the parsed JSON
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result of the API call. If the API returns a string the result is
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a string, otherwise the result is a JavaScript object or array,
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as described in the relevant REST API documentation.
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[source,javascript]
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----
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context.call(
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{message: "..."},
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function (result) {
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// ... use result here ...
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});
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----
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[[context_change]]
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context.change
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~~~~~~~~~~~~~~
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When the action is invoked on a change a
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link:rest-api-changes.html#change-info[ChangeInfo] object instance
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describing the change. Available fields of the ChangeInfo may vary
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based on the options used by the UI when it loaded the change.
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[[context_delete]]
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context.delete()
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~~~~~~~~~~~~~~~~
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Issues a DELETE REST API call to the URL associated with the action.
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.Signature
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[source,javascript]
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----
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context.delete(callback)
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----
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* callback: JavaScript function to be invoked with the parsed
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JSON result of the API call. DELETE methods often return
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`204 No Content`, which is passed as null.
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[source,javascript]
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----
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context.delete(function () {});
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----
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[[context_get]]
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context.get()
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~~~~~~~~~~~~~
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Issues a GET REST API call to the URL associated with the action.
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.Signature
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[source,javascript]
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----
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context.get(callback)
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----
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* callback: JavaScript function to be invoked with the parsed JSON
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result of the API call. If the API returns a string the result is
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a string, otherwise the result is a JavaScript object or array,
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as described in the relevant REST API documentation.
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[source,javascript]
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----
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context.get(function (result) {
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// ... use result here ...
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});
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----
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[[context_go]]
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context.go()
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~~~~~~~~~~~~
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Go to a page. Shorthand for link:#Gerrit_go[`Gerrit.go()`].
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[[context_hide]]
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context.hide()
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~~~~~~~~~~~~~~
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Hide the currently visible popup displayed by
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link:#context_popup[`context.popup()`].
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[[context_post]]
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context.post()
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~~~~~~~~~~~~~~
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Issues a POST REST API call to the URL associated with the action.
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.Signature
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[source,javascript]
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----
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context.post(input, callback)
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----
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* input: JavaScript object to serialize as the request payload.
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* callback: JavaScript function to be invoked with the parsed JSON
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result of the API call. If the API returns a string the result is
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a string, otherwise the result is a JavaScript object or array,
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as described in the relevant REST API documentation.
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[source,javascript]
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----
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context.post(
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{message: "..."},
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function (result) {
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// ... use result here ...
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});
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----
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[[context_popup]]
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context.popup()
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~~~~~~~~~~~~~~~
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Displays a small popup near the activation button to gather
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additional input from the user before executing the REST API RPC.
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The caller is always responsible for closing the popup with
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link#context_hide[`context.hide()`]. Gerrit will handle closing a
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popup if the user presses `Escape` while keyboard focus is within
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the popup.
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.Signature
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[source,javascript]
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----
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context.popup(element)
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----
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* element: an HTML DOM element to display as the body of the
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popup. This is typically a `div` element but can be any valid HTML
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element. CSS can be used to style the element beyond the defaults.
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A common usage is to gather more input:
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[source,javascript]
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----
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self.onAction('revision', 'start-build', function (c) {
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var l = c.checkbox();
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var m = c.checkbox();
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c.popup(c.div(
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c.div(c.label(l, 'Linux')),
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c.div(c.label(m, 'Mac OS X')),
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c.button('Build', {onclick: function() {
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c.call(
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{
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commit: c.revision.name,
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linux: l.checked,
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mac: m.checked,
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},
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function() { c.hide() });
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});
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});
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----
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[[context_put]]
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context.put()
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~~~~~~~~~~~~~
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Issues a PUT REST API call to the URL associated with the action.
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.Signature
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[source,javascript]
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----
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context.put(input, callback)
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----
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* input: JavaScript object to serialize as the request payload.
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* callback: JavaScript function to be invoked with the parsed JSON
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result of the API call. If the API returns a string the result is
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a string, otherwise the result is a JavaScript object or array,
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as described in the relevant REST API documentation.
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[source,javascript]
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----
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context.put(
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{message: "..."},
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function (result) {
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// ... use result here ...
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});
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----
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[[context_refresh]]
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context.refresh()
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~~~~~~~~~~~~~~~~~
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Refresh the current display. Shorthand for
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link:#Gerrit_refresh[`Gerrit.refresh()`].
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[[context_revision]]
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context.revision
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~~~~~~~~~~~~~~~~
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When the action is invoked on a specific revision of a change,
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a link:rest-api-changes.html#revision-info[RevisionInfo]
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object instance describing the revision. Available fields of the
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RevisionInfo may vary based on the options used by the UI when it
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loaded the change.
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[[context_project]]
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context.project
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~~~~~~~~~~~~~~~
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When the action is invoked on a specific project,
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the name of the project.
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Action Context HTML Helpers
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---------------------------
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The link:#ActionContext[action context] includes some HTML helper
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functions to make working with DOM based widgets less painful.
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* `br()`: new `<br>` element.
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* `button(label, options)`: new `<button>` with the string `label`
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wrapped inside of a `div`. The optional `options` object may
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define `onclick` as a function to be invoked upon clicking. This
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calling pattern avoids circular references between the element
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and the onclick handler.
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* `checkbox()`: new `<input type='checkbox'>` element.
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* `div(...)`: a new `<div>` wrapping the (optional) arguments.
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* `hr()`: new `<hr>` element.
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* `label(c, label)`: a new `<label>` element wrapping element `c`
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and the string `label`. Used to wrap a checkbox with its label,
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`label(checkbox(), 'Click Me')`.
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* `prependLabel(label, c)`: a new `<label>` element wrapping element `c`
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and the string `label`. Used to wrap an input field with its label,
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`prependLabel('Greeting message', textfield())`.
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* `textarea(options)`: new `<textarea>` element. The options
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object may optionally include `rows` and `cols`. The textarea
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comes with an onkeypress handler installed to play nicely with
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Gerrit's keyboard binding system.
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* `textfield()`: new `<input type='text'>` element. The text field
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comes with an onkeypress handler installed to play nicely with
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Gerrit's keyboard binding system.
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* `span(...)`: a new `<span>` wrapping the (optional) arguments.
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* `msg(label)`: a new label.
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[[Gerrit]]
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Gerrit
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------
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The `Gerrit` object is the only symbol provided into the global
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namespace by Gerrit Code Review. All top-level functions can be
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accessed through this name.
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[[Gerrit_delete]]
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Gerrit.delete()
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~~~~~~~~~~~~~~~
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Issues a DELETE REST API request to the Gerrit server. For plugin
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private REST API URLs see link:#self_delete[self.delete()].
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.Signature
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[source,javascript]
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----
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Gerrit.delete(url, callback)
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----
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* url: URL relative to the Gerrit server. For example to access the
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link:rest-api-changes.html[changes REST API] use `'/changes/'`.
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* callback: JavaScript function to be invoked with the parsed
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JSON result of the API call. DELETE methods often return
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`204 No Content`, which is passed as null.
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[source,javascript]
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----
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Gerrit.delete(
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'/changes/myProject~master~I8473b95934b5732ac55d26311a706c9c2bde9940/topic',
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function () {});
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----
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[[Gerrit_get]]
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Gerrit.get()
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~~~~~~~~~~~~
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Issues a GET REST API request to the Gerrit server. For plugin
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private REST API URLs see link:#self_get[self.get()].
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.Signature
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[source,javascript]
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----
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Gerrit.get(url, callback)
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----
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* url: URL relative to the Gerrit server. For example to access the
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link:rest-api-changes.html[changes REST API] use `'/changes/'`.
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* callback: JavaScript function to be invoked with the parsed JSON
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result of the API call. If the API returns a string the result is
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a string, otherwise the result is a JavaScript object or array,
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as described in the relevant REST API documentation.
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[source,javascript]
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----
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Gerrit.get('/changes/?q=status:open', function (open) {
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for (var i = 0; i < open.length; i++) {
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console.log(open.get(i).change_id);
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}
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});
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----
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[[Gerrit_getPluginName]]
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Gerrit.getPluginName()
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~~~~~~~~~~~~~~~~~~~~~~
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Returns the name this plugin was installed as by the server
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administrator. The plugin name is required to access REST API
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views installed by the plugin, or to access resources.
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Unlike link:#self_getPluginName[`self.getPluginName()`] this method
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must guess the name from the JavaScript call stack. Plugins are
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encouraged to use `self.getPluginName()` whenever possible.
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[[Gerrit_go]]
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Gerrit.go()
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~~~~~~~~~~~
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Updates the web UI to display the view identified by the supplied
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URL token. The URL token is the text after `#` in the browser URL.
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[source,javascript]
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----
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Gerrit.go('/admin/projects/');
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----
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If the URL passed matches `http://...`, `https://...`, or `//...`
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the current browser window will navigate to the non-Gerrit URL.
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The user can return to Gerrit with the back button.
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[[Gerrit_install]]
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Gerrit.install()
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~~~~~~~~~~~~~~~~
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Registers a new plugin by invoking the supplied initialization
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function. The function is passed the link:#self[plugin instance].
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|
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[source,javascript]
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----
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Gerrit.install(function (self) {
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// ... plugin JavaScript code here ...
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});
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----
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[[Gerrit_post]]
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Gerrit.post()
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~~~~~~~~~~~~~
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Issues a POST REST API request to the Gerrit server. For plugin
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private REST API URLs see link:#self_post[self.post()].
|
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.Signature
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[source,javascript]
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----
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Gerrit.post(url, input, callback)
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----
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* url: URL relative to the Gerrit server. For example to access the
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link:rest-api-changes.html[changes REST API] use `'/changes/'`.
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* input: JavaScript object to serialize as the request payload.
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* callback: JavaScript function to be invoked with the parsed JSON
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result of the API call. If the API returns a string the result is
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a string, otherwise the result is a JavaScript object or array,
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as described in the relevant REST API documentation.
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[source,javascript]
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----
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Gerrit.post(
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'/changes/myProject~master~I8473b95934b5732ac55d26311a706c9c2bde9940/topic',
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{topic: 'tests', message: 'Classify work as for testing.'},
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function (r) {});
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----
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[[Gerrit_put]]
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Gerrit.put()
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~~~~~~~~~~~~
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Issues a PUT REST API request to the Gerrit server. For plugin
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private REST API URLs see link:#self_put[self.put()].
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|
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.Signature
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[source,javascript]
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----
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Gerrit.put(url, input, callback)
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----
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* url: URL relative to the Gerrit server. For example to access the
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link:rest-api-changes.html[changes REST API] use `'/changes/'`.
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* input: JavaScript object to serialize as the request payload.
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* callback: JavaScript function to be invoked with the parsed JSON
|
|
result of the API call. If the API returns a string the result is
|
|
a string, otherwise the result is a JavaScript object or array,
|
|
as described in the relevant REST API documentation.
|
|
|
|
[source,javascript]
|
|
----
|
|
Gerrit.put(
|
|
'/changes/myProject~master~I8473b95934b5732ac55d26311a706c9c2bde9940/topic',
|
|
{topic: 'tests', message: 'Classify work as for testing.'},
|
|
function (r) {});
|
|
----
|
|
|
|
[[Gerrit_onAction]]
|
|
Gerrit.onAction()
|
|
~~~~~~~~~~~~~~~~~
|
|
Register a JavaScript callback to be invoked when the user clicks
|
|
on a button associated with a server side `UiAction`.
|
|
|
|
.Signature
|
|
[source,javascript]
|
|
----
|
|
Gerrit.onAction(type, view_name, callback);
|
|
----
|
|
|
|
* type: `'change'` or `'revision'`, indicating what sort of resource
|
|
the `UiAction` was bound to in the server.
|
|
|
|
* view_name: string appearing in URLs to name the view. This is the
|
|
second argument of the `get()`, `post()`, `put()`, and `delete()`
|
|
binding methods in a `RestApiModule`.
|
|
|
|
* callback: JavaScript function to invoke when the user clicks. The
|
|
function will be passed a link:#ActionContext[ActionContext].
|
|
|
|
[[Gerrit_refresh]]
|
|
Gerrit.refresh()
|
|
~~~~~~~~~~~~~~~~
|
|
Redisplays the current web UI view, refreshing all information.
|
|
|
|
[[Gerrit_url]]
|
|
Gerrit.url()
|
|
~~~~~~~~~~~~
|
|
Returns the URL of the Gerrit Code Review server. If invoked with
|
|
no parameter the URL of the site is returned. If passed a string
|
|
the argument is appended to the site URL.
|
|
|
|
[source,javascript]
|
|
----
|
|
Gerrit.url(); // "https://gerrit-review.googlesource.com/"
|
|
Gerrit.url('/123'); // "https://gerrit-review.googlesource.com/123"
|
|
----
|
|
|
|
For a plugin specific version see link:#self_url()[`self.url()`].
|
|
|
|
GERRIT
|
|
------
|
|
Part of link:index.html[Gerrit Code Review]
|