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| import $ from 'jquery';
import env from '../core/env';
import key from '../core/key';
export default class LinkDialog {
constructor(context) {
this.context = context;
this.ui = $.summernote.ui;
this.$body = $(document.body);
this.$editor = context.layoutInfo.editor;
this.options = context.options;
this.lang = this.options.langInfo;
context.memo('help.linkDialog.show', this.options.langInfo.help['linkDialog.show']);
}
initialize() {
const $container = this.options.dialogsInBody ? this.$body : this.$editor;
const body = [
'<div class="form-group note-form-group">',
`<label class="note-form-label">${this.lang.link.textToDisplay}</label>`,
'<input class="note-link-text form-control note-form-control note-input" type="text" />',
'</div>',
'<div class="form-group note-form-group">',
`<label class="note-form-label">${this.lang.link.url}</label>`,
'<input class="note-link-url form-control note-form-control note-input" type="text" value="http://" />',
'</div>',
!this.options.disableLinkTarget
? $('<div/>').append(this.ui.checkbox({
id: 'sn-checkbox-open-in-new-window',
text: this.lang.link.openInNewWindow,
checked: true
}).render()).html()
: ''
].join('');
const buttonClass = 'btn btn-primary note-btn note-btn-primary note-link-btn';
const footer = `<button type="submit" href="#" class="${buttonClass}" disabled>${this.lang.link.insert}</button>`;
this.$dialog = this.ui.dialog({
className: 'link-dialog',
title: this.lang.link.insert,
fade: this.options.dialogsFade,
body: body,
footer: footer
}).render().appendTo($container);
}
destroy() {
this.ui.hideDialog(this.$dialog);
this.$dialog.remove();
}
bindEnterKey($input, $btn) {
$input.on('keypress', (event) => {
if (event.keyCode === key.code.ENTER) {
event.preventDefault();
$btn.trigger('click');
}
});
}
/**
* toggle update button
*/
toggleLinkBtn($linkBtn, $linkText, $linkUrl) {
this.ui.toggleBtn($linkBtn, $linkText.val() && $linkUrl.val());
}
/**
* Show link dialog and set event handlers on dialog controls.
*
* @param {Object} linkInfo
* @return {Promise}
*/
showLinkDialog(linkInfo) {
return $.Deferred((deferred) => {
const $linkText = this.$dialog.find('.note-link-text');
const $linkUrl = this.$dialog.find('.note-link-url');
const $linkBtn = this.$dialog.find('.note-link-btn');
const $openInNewWindow = this.$dialog.find('input[type=checkbox]');
this.ui.onDialogShown(this.$dialog, () => {
this.context.triggerEvent('dialog.shown');
// if no url was given, copy text to url
if (!linkInfo.url) {
linkInfo.url = linkInfo.text;
}
$linkText.val(linkInfo.text);
const handleLinkTextUpdate = () => {
this.toggleLinkBtn($linkBtn, $linkText, $linkUrl);
// if linktext was modified by keyup,
// stop cloning text from linkUrl
linkInfo.text = $linkText.val();
};
$linkText.on('input', handleLinkTextUpdate).on('paste', () => {
setTimeout(handleLinkTextUpdate, 0);
});
const handleLinkUrlUpdate = () => {
this.toggleLinkBtn($linkBtn, $linkText, $linkUrl);
// display same link on `Text to display` input
// when create a new link
if (!linkInfo.text) {
$linkText.val($linkUrl.val());
}
};
$linkUrl.on('input', handleLinkUrlUpdate).on('paste', () => {
setTimeout(handleLinkUrlUpdate, 0);
}).val(linkInfo.url);
if (!env.isSupportTouch) {
$linkUrl.trigger('focus');
}
this.toggleLinkBtn($linkBtn, $linkText, $linkUrl);
this.bindEnterKey($linkUrl, $linkBtn);
this.bindEnterKey($linkText, $linkBtn);
const isChecked = linkInfo.isNewWindow !== undefined
? linkInfo.isNewWindow : this.context.options.linkTargetBlank;
$openInNewWindow.prop('checked', isChecked);
$linkBtn.one('click', (event) => {
event.preventDefault();
deferred.resolve({
range: linkInfo.range,
url: $linkUrl.val(),
text: $linkText.val(),
isNewWindow: $openInNewWindow.is(':checked')
});
this.ui.hideDialog(this.$dialog);
});
});
this.ui.onDialogHidden(this.$dialog, () => {
// detach events
$linkText.off('input paste keypress');
$linkUrl.off('input paste keypress');
$linkBtn.off('click');
if (deferred.state() === 'pending') {
deferred.reject();
}
});
this.ui.showDialog(this.$dialog);
}).promise();
}
/**
* @param {Object} layoutInfo
*/
show() {
const linkInfo = this.context.invoke('editor.getLinkInfo');
this.context.invoke('editor.saveRange');
this.showLinkDialog(linkInfo).then((linkInfo) => {
this.context.invoke('editor.restoreRange');
this.context.invoke('editor.createLink', linkInfo);
}).fail(() => {
this.context.invoke('editor.restoreRange');
});
}
}
|