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<!DOCTYPE html>
<!--
Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
-->
<html lang="en">
<head>
        <meta charset="utf-8">
        <title>API Usage &mdash; CKEditor Sample</title>
        <script src="../../ckeditor.js"></script>
        <link href="sample.css" rel="stylesheet">
        <meta name="description" content="Try the latest sample of CKEditor 4 and learn more about customizing your WYSIWYG editor with endless possibilities.">
        <script>

// The instanceReady event is fired, when an instance of CKEditor has finished
// its initialization.
CKEDITOR.on( 'instanceReady', function( ev ) {
        // Show the editor name and description in the browser status bar.
        document.getElementById( 'eMessage' ).innerHTML = 'Instance <code>' + ev.editor.name + '<\/code> loaded.';

        // Show this sample buttons.
        document.getElementById( 'eButtons' ).style.display = 'block';
});

function InsertHTML() {
        // Get the editor instance that we want to interact with.
        var editor = CKEDITOR.instances.editor1;
        var value = document.getElementById( 'htmlArea' ).value;

        // Check the active editing mode.
        if ( editor.mode == 'wysiwyg' )
        {
                // Insert HTML code.
                // https://ckeditor.com/docs/ckeditor4/latest/api/CKEDITOR_editor.html#method-insertHtml
                editor.insertHtml( value );
        }
        else
                alert( 'You must be in WYSIWYG mode!' );
}

function InsertText() {
        // Get the editor instance that we want to interact with.
        var editor = CKEDITOR.instances.editor1;
        var value = document.getElementById( 'txtArea' ).value;

        // Check the active editing mode.
        if ( editor.mode == 'wysiwyg' )
        {
                // Insert as plain text.
                // https://ckeditor.com/docs/ckeditor4/latest/api/CKEDITOR_editor.html#method-insertText
                editor.insertText( value );
        }
        else
                alert( 'You must be in WYSIWYG mode!' );
}

function SetContents() {
        // Get the editor instance that we want to interact with.
        var editor = CKEDITOR.instances.editor1;
        var value = document.getElementById( 'htmlArea' ).value;

        // Set editor contents (replace current contents).
        // https://ckeditor.com/docs/ckeditor4/latest/api/CKEDITOR_editor.html#method-setData
        editor.setData( value );
}

function GetContents() {
        // Get the editor instance that you want to interact with.
        var editor = CKEDITOR.instances.editor1;

        // Get editor contents
        // https://ckeditor.com/docs/ckeditor4/latest/api/CKEDITOR_editor.html#method-getData
        alert( editor.getData() );
}

function ExecuteCommand( commandName ) {
        // Get the editor instance that we want to interact with.
        var editor = CKEDITOR.instances.editor1;

        // Check the active editing mode.
        if ( editor.mode == 'wysiwyg' )
        {
                // Execute the command.
                // https://ckeditor.com/docs/ckeditor4/latest/api/CKEDITOR_editor.html#method-execCommand
                editor.execCommand( commandName );
        }
        else
                alert( 'You must be in WYSIWYG mode!' );
}

function CheckDirty() {
        // Get the editor instance that we want to interact with.
        var editor = CKEDITOR.instances.editor1;
        // Checks whether the current editor contents present changes when compared
        // to the contents loaded into the editor at startup
        // https://ckeditor.com/docs/ckeditor4/latest/api/CKEDITOR_editor.html#method-checkDirty
        alert( editor.checkDirty() );
}

function ResetDirty() {
        // Get the editor instance that we want to interact with.
        var editor = CKEDITOR.instances.editor1;
        // Resets the "dirty state" of the editor (see CheckDirty())
        // https://ckeditor.com/docs/ckeditor4/latest/api/CKEDITOR_editor.html#method-resetDirty
        editor.resetDirty();
        alert( 'The "IsDirty" status has been reset' );
}

function Focus() {
        CKEDITOR.instances.editor1.focus();
}

function onFocus() {
        document.getElementById( 'eMessage' ).innerHTML = '<b>' + this.name + ' is focused </b>';
}

function onBlur() {
        document.getElementById( 'eMessage' ).innerHTML = this.name + ' lost focus';
}

        </script>

</head>
<body>
        <h1 class="samples">
                <a href="index.html">CKEditor Samples</a> &raquo; Using CKEditor JavaScript API
        </h1>
        <div class="warning deprecated">
                This sample is not maintained anymore. Check out its <a href="https://ckeditor.com/docs/ckeditor4/latest/examples/api.html">brand new version in CKEditor Examples</a>.
        </div>
        <div class="description">
        <p>
                This sample shows how to use the
                <a class="samples" href="https://ckeditor.com/docs/ckeditor4/latest/api/CKEDITOR_editor.html">CKEditor JavaScript API</a>
                to interact with the editor at runtime.
        </p>
        <p>
                For details on how to create this setup check the source code of this sample page.
        </p>
        </div>

        <!-- This <div> holds alert messages to be display in the sample page. -->
        <div id="alerts">
                <noscript>
                        <p>
                                <strong>CKEditor requires JavaScript to run</strong>. In a browser with no JavaScript
                                support, like yours, you should still see the contents (HTML data) and you should
                                be able to edit it normally, without a rich editor interface.
                        </p>
                </noscript>
        </div>
        <form action="../../../samples/sample_posteddata.php" method="post">
                <textarea cols="100" id="editor1" name="editor1" rows="10">&lt;p&gt;This is some &lt;strong&gt;sample text&lt;/strong&gt;. You are using &lt;a href="https://ckeditor.com/"&gt;CKEditor&lt;/a&gt;.&lt;/p&gt;</textarea>

                <script>
                        // Replace the <textarea id="editor1"> with an CKEditor instance.
                        CKEDITOR.replace( 'editor1', {
                                on: {
                                        focus: onFocus,
                                        blur: onBlur,

                                        // Check for availability of corresponding plugins.
                                        pluginsLoaded: function( evt ) {
                                                var doc = CKEDITOR.document, ed = evt.editor;
                                                if ( !ed.getCommand( 'bold' ) )
                                                        doc.getById( 'exec-bold' ).hide();
                                                if ( !ed.getCommand( 'link' ) )
                                                        doc.getById( 'exec-link' ).hide();
                                        }
                                }
                        });
                </script>

                <p id="eMessage">
                </p>

                <div id="eButtons" style="display: none">
                        <input id="exec-bold" onclick="ExecuteCommand('bold');" type="button" value="Execute &quot;bold&quot; Command">
                        <input id="exec-link" onclick="ExecuteCommand('link');" type="button" value="Execute &quot;link&quot; Command">
                        <input onclick="Focus();" type="button" value="Focus">
                        <br><br>
                        <input onclick="InsertHTML();" type="button" value="Insert HTML">
                        <input onclick="SetContents();" type="button" value="Set Editor Contents">
                        <input onclick="GetContents();" type="button" value="Get Editor Contents (HTML)">
                        <br>
                        <textarea cols="100" id="htmlArea" rows="3">&lt;h2&gt;Test&lt;/h2&gt;&lt;p&gt;This is some &lt;a href="/Test1.html"&gt;sample&lt;/a&gt; HTML code.&lt;/p&gt;</textarea>
                        <br>
                        <br>
                        <input onclick="InsertText();" type="button" value="Insert Text">
                        <br>
                        <textarea cols="100" id="txtArea" rows="3">   First line with some leading whitespaces.

Second line of text preceded by two line breaks.</textarea>
                        <br>
                        <br>
                        <input onclick="CheckDirty();" type="button" value="checkDirty()">
                        <input onclick="ResetDirty();" type="button" value="resetDirty()">
                </div>
        </form>
        <div id="footer">
                <hr>
                <p>
                        CKEditor - The text editor for the Internet - <a class="samples" href="https://ckeditor.com/">https://ckeditor.com</a>
                </p>
                <p id="copy">
                        Copyright &copy; 2003-2021, <a class="samples" href="https://cksource.com/">CKSource</a> - Frederico
                        Knabben. All rights reserved.
                </p>
        </div>
</body>
</html>