# Yahoo! UI Library

### editor 3.3.0

Yahoo! UI Library > editor > createlink-base.js (source view)
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        /**
         * Base class for Editor. Handles the business logic of Editor, no GUI involved only utility methods and events.
         * @module editor
         * @submodule createlink-base
         */
        /**
         * Adds prompt style link creation. Adds an override for the <a href="Plugin.ExecCommand.html#method_COMMANDS.createlink">createlink execCommand</a>.
         * @class Plugin.CreateLinkBase
         * @static
         */

        var CreateLinkBase = {};
        /**
        * Strings used by the plugin
        * @property STRINGS
        * @static
        */
        CreateLinkBase.STRINGS = {
                /**
                * String used for the Prompt
                * @property PROMPT
                * @static
                */
                PROMPT: 'Please enter the URL for the link to point to:',
                /**
                * String used as the default value of the Prompt
                * @property DEFAULT
                * @static
                */
                DEFAULT: 'http://'
        };

        Y.namespace('Plugin');
        Y.Plugin.CreateLinkBase = CreateLinkBase;

        Y.mix(Y.Plugin.ExecCommand.COMMANDS, {
            /**
            * Override for the createlink method from the <a href="Plugin.CreateLinkBase.html">CreateLinkBase</a> plugin.
            * @for ExecCommand
            * @method COMMANDS.createlink
            * @static
            * @param {String} cmd The command executed: createlink
            * @return {Node} Node instance of the item touched by this command.
            */
            createlink: function(cmd) {
                var inst = this.get('host').getInstance(), out, a, sel, holder,
                    url = prompt(CreateLinkBase.STRINGS.PROMPT, CreateLinkBase.STRINGS.DEFAULT);

                if (url) {
                    holder = inst.config.doc.createElement('div');
                    url = inst.config.doc.createTextNode(url);
                    holder.appendChild(url);
                    url = holder.innerHTML;

                    Y.log('Adding link: ' + url, 'info', 'createLinkBase');

                    this.get('host')._execCommand(cmd, url);
                    sel = new inst.Selection();
                    out = sel.getSelected();
                    if (!sel.isCollapsed && out.size()) {
                        //We have a selection
                        a = out.item(0).one('a');
                        if (a) {
                            out.item(0).replace(a);
                        }
                        if (Y.UA.gecko) {
                            if (a.get('parentNode').test('span')) {
                                if (a.get('parentNode').one('br.yui-cursor')) {
                                    a.get('parentNode').insert(a, 'before');
                                }
                            }
                        }
                    } else {
                        //No selection, insert a new node..
                        this.get('host').execCommand('inserthtml', '<a href="' + url + '">' + url + '</a>');
                    }
                }
                return a;
            }
        });

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