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| <div class="title">Extension points:<br>Modifying forms</div>
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| '''Abstract'''
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| ''This articles covers how to apply different changes to the contact form via modifying its extensionpoints and extensions.''
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| __TOC__
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| ==Show available extension points==
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| The edit form of the contacts app is constructed by a set of extension points. Each extension point controls a single aspect of the form. To apply modifications, the id of the point and the extension is needed. For a quick overview of the available points and extensions you can use the browser console:
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| <pre class="language-javascript">
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| // show all available extension points (across all apps)
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| require('io.ox/core/extensions').keys();
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| </pre>
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| <pre class="language-javascript">
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| // you can filter down the list by using regular expression
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| _(require('io.ox/core/extensions').keys()).filter(function (point) {
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| if (/io.ox\/contacts\/edit/.test(point)) {
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| return point;
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| }
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| });
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| </pre>
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| <pre class="language-javascript">
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| // show all available extensions of a known extension point
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| require('io.ox/core/extensions').point('io.ox/contacts/edit/personal').all();
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| </pre>
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| ==Modify extension points==
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| As described in [[ AppSuite:Extending_the_UI_(Hands-on_introduction) | Hands-on_introduction]] extension points can be modified in multiple aspects:
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| <pre class="language-javascript">
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| // disable the display_name field
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| require('io.ox/core/extensions').point('io.ox/contacts/edit/personal').disable('display_name');
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| // reenable the display_name field
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| require('io.ox/core/extensions').point('io.ox/contacts/edit/personal').enable('display_name');
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| </pre>
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| <pre class="language-javascript">
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| // replace the display_name field by "Hallo World!"
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| require('io.ox/core/extensions').point('io.ox/contacts/edit/personal')
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| .replace({
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| id: "display_name",
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| draw: function () {
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| this.append(
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| $("<div>").addClass("title").text("Hello World!")
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| );
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| }
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| });
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| </pre>
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| <pre class="language-javascript">
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| // modify the index of the display_name field to bring it on top
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| require('io.ox/core/extensions').point('io.ox/contacts/edit/personal')
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| .replace({
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| id:"display_name",
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| index: 50
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| });
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| </pre>
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| <pre class="language-javascript">
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| // modify the hidden status to hide the display_name field via get() as alternative way
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| require('io.ox/core/extensions').point('io.ox/contacts/edit/personal')
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| .get('display_name', function (extension) {
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| extension.hidden = true;
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| });
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| </pre>
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| ==Extending the form validation via extension points==
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| In addition to the default validation, another validation step can be implemented by extending the proper extension point:
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| <pre class="language-javascript">
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| // extend the validation of the display_name field
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| require('io.ox/core/extensions')
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| .point('io.ox/contacts/model/validation/display_name')
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| .extend({ | |
| id: 'check_for_klaus',
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| validate: function (value) {
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| if (value !== 'Klaus') {
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| return 'The display name has to be Klaus';
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| }
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| }
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| });
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| </pre>
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| [[Category:AppSuite]]
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| [[Category:UI]]
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| [[Category:Extension points]]
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