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summernote-image-attributes.js
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summernote-image-attributes.js
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/* https://github.com/adeelhussain/summernote-image-attribute-editor */
(function (factory) {
if (typeof define === 'function' && define.amd) {
define(['jquery'], factory)
} else if (typeof module === 'object' && module.exports) {
module.exports = factory(require('jquery'));
} else {
factory(window.jQuery)
}
}
(function ($) {
// TODO: Add more languages!
$.extend(true, $.summernote.lang, {
'en-US': {
imageAttributes: {
edit: 'Edit Attributes',
titleLabel: 'Title',
altLabel: 'Alternative Text',
captionLabel: 'Caption',
tooltip: 'Edit Image',
dialogSaveBtnMessage: 'Save',
dialogTitle: 'Change Image Attributes'
}
}
});
$.extend($.summernote.options, {
imageAttributes: {
icon: '<i class="note-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 14 14" width="14" height="14"><path d="M 8.781,11.11 7,11.469 7.3595,9.688 8.781,11.11 Z M 7.713,9.334 9.135,10.7565 13,6.8915 11.5775,5.469 7.713,9.334 Z M 6.258,9.5 8.513,7.12 7.5,5.5 6.24,7.5 5,6.52 3,9.5 6.258,9.5 Z M 4.5,5.25 C 4.5,4.836 4.164,4.5 3.75,4.5 3.336,4.5 3,4.836 3,5.25 3,5.6645 3.336,6 3.75,6 4.164,6 4.5,5.6645 4.5,5.25 Z m 1.676,5.25 -4.176,0 0,-7 9,0 0,1.156 1,0 0,-2.156 -11,0 0,9 4.9845,0 0.1915,-1 z"/></svg></i>',
figureClass: '',
figcaptionClass: '',
captionText: 'Caption Goes Here.'
}
});
$.extend($.summernote.plugins, {
'imageAttributes': function (context) {
var self = this;
var ui = $.summernote.ui,
$editable = context.layoutInfo.editable,
options = context.options,
$editor = context.layoutInfo.editor,
lang = options.langInfo,
$note = context.layoutInfo.note;
context.memo('button.imageAttributes', function () {
var button = ui.button({
contents: options.imageAttributes.icon,
container: false,
tooltip: lang.imageAttributes.tooltip,
click: function () {
context.invoke('imageAttributes.show');
}
});
return button.render();
});
this.initialize = function () {
// Either the modal appends in Body or Inside the Editor
var $container = options.imageAttributes.dialogsInBody ? $(document.body) : $editor;
var body = ` <div class="form-group">
<label class="note-form-label">${lang.imageAttributes.titleLabel}</label>
<input class="form-control note-input note-image-title-text" type="text" />
</div>
<div class="form-group">
<label class="note-form-label">${lang.imageAttributes.altLabel}</label>
<input class="form-control note-input note-image-alt-text" type="text" />
</div>
<div class="form-group">
<label class="note-form-label">${lang.imageAttributes.captionLabel}</label>
<input class="form-control note-input note-image-caption-text" type="text" />
</div>
<div class="row">
<div class="form-group col-sm-4">
<label class="note-form-label">${lang.imageAttributes.widthLabel}</label>
<input class="form-control note-input note-image-width" type="number" />
</div>
<div class="form-group col-sm-4">
<label class="note-form-label">${lang.imageAttributes.heightLabel}</label>
<input class="form-control note-input note-image-height" type="number" />
</div>
<div class="form-group col-sm-4">
<label class="note-form-label">${lang.imageAttributes.imageLockLabel}</label>
<div>
<button type="button" class="btn btn-default btn-md lock-button">
<span><i class="note-icon icon-lock"><svg xmlns="http://www.w3.org/2000/svg" width="14px" height="13.600px" viewBox="0 0 1000 1000" enable-background="new 0 0 1000 1000" xml:space="preserve"> <g><path d="M321.8,455.5h356.4V321.8c0-49.2-17.4-91.2-52.2-126c-34.8-34.8-76.8-52.2-126-52.2c-49.2,0-91.2,17.4-126,52.2c-34.8,34.8-52.2,76.8-52.2,126L321.8,455.5L321.8,455.5z M900.9,522.3v400.9c0,18.6-6.5,34.3-19.5,47.3c-13,13-28.8,19.5-47.3,19.5H165.9c-18.6,0-34.3-6.5-47.3-19.5c-13-13-19.5-28.8-19.5-47.3V522.3c0-18.6,6.5-34.3,19.5-47.3c13-13,28.8-19.5,47.3-19.5h22.3V321.8c0-85.4,30.6-158.7,91.9-219.9C341.3,40.7,414.7,10,500,10c85.3,0,158.7,30.6,219.9,91.9c61.3,61.3,91.9,134.6,91.9,219.9v133.6h22.3c18.6,0,34.3,6.5,47.3,19.5C894.4,488,900.9,503.7,900.9,522.3L900.9,522.3z"/></g></svg></i></span>
<span><i class="note-icon icon-unlock hide"><svg xmlns="http://www.w3.org/2000/svg" width="14px" height="13.600px" viewBox="0 0 438.533 438.533" style="width: 13px;enable-background:new 0 0 438.533 438.533;" xml:space="preserve"><g><path d="M375.721,227.259c-5.331-5.331-11.8-7.992-19.417-7.992H146.176v-91.36c0-20.179,7.139-37.402,21.415-51.678 c14.277-14.273,31.501-21.411,51.678-21.411c20.175,0,37.402,7.137,51.673,21.411c14.277,14.276,21.416,31.5,21.416,51.678 c0,4.947,1.807,9.229,5.42,12.845c3.621,3.617,7.905,5.426,12.847,5.426h18.281c4.945,0,9.227-1.809,12.848-5.426 c3.606-3.616,5.42-7.898,5.42-12.845c0-35.216-12.515-65.331-37.541-90.362C284.603,12.513,254.48,0,219.269,0 c-35.214,0-65.334,12.513-90.366,37.544c-25.028,25.028-37.542,55.146-37.542,90.362v91.36h-9.135 c-7.611,0-14.084,2.667-19.414,7.992c-5.33,5.325-7.994,11.8-7.994,19.414v164.452c0,7.617,2.665,14.089,7.994,19.417 c5.33,5.325,11.803,7.991,19.414,7.991h274.078c7.617,0,14.092-2.666,19.417-7.991c5.325-5.328,7.994-11.8,7.994-19.417V246.673 C383.719,239.059,381.053,232.591,375.721,227.259z"/></g></svg></i></span>
</button>
<button type="button" class="btn btn-default btn-md reset-size-buttton" aria-label="Resize" data-toggle="tooltip" title="${lang.imageAttributes.resizeLabel}">
<span class="glyphicon glyphicon-repeat" aria-hidden="true"></span>
</button>
</div>
</div>
</div>`;
var footer = `<button href="#" class="btn btn-primary note-image-title-btn note-btn">${lang.imageAttributes.dialogSaveBtnMessage}</button>`;
this.$dialog = ui.dialog({
title: lang.imageAttributes.dialogTitle,
body: body,
footer: footer
}).render().appendTo($container);
};
this.destroy = function () {
ui.hideDialog(this.$dialog);
this.$dialog.remove();
};
this.bindEnterKey = function ($input, $btn) {
$input.on('keypress', function (event) {
if (event.keyCode === 13) {
$btn.trigger('click');
}
});
};
this.show = function () {
var $img = $($editable.data('target'));
var _imgInfo = {
title: $img.attr('title'),
alt: $img.attr('alt'),
caption: $img.next('figcaption').text(),
width: $img.width(),
height: $img.height()
};
var img = new Image();
img.onload = function () {
_imgInfo.naturalWidth = img.width
_imgInfo.naturalHeight = img.height;
}
img.src = $img.attr('src');
this.showLinkDialog(_imgInfo)
.then(function (imgInfo) {
ui.hideDialog(self.$dialog);
var isAnyChangeMade = false;
// NOTE: Must add more conditions if any new field is being added!
if (_imgInfo.title != imgInfo.title || _imgInfo.alt != imgInfo.alt || _imgInfo.caption != imgInfo.caption
|| _imgInfo.width != imgInfo.width || _imgInfo.height != imgInfo.height) {
isAnyChangeMade = true;
}
if (imgInfo.alt) {
$img.attr('alt', imgInfo.alt);
}
else {
$img.removeAttr('alt');
}
if (imgInfo.title) {
$img.attr('title', imgInfo.title);
}
else {
$img.removeAttr('title');
}
if (imgInfo.width) {
$img.css('width', imgInfo.width);
}
if (imgInfo.height) {
$img.css('height', imgInfo.height);
}
var captionText = imgInfo.caption;
var $parentAnchorLink = $img.parent();
// If caption are not same, then its mean need to update!
var isUpdateCaption = (captionText !== _imgInfo.caption);
// If image already have a caption and is equal to old one, then remove that!
var $imgFigure = $img.closest('figure');
if ($imgFigure.length && isUpdateCaption) {
// Means image wrpped in figure
$imgFigure.find('figcaption').remove();
$imgFigure.children().first().unwrap();
}
// If caption text is present then add that caption, otherwise don't do any thing
if (isUpdateCaption && captionText) {
var $newFigure;
if ($parentAnchorLink.is('a')) {
$newFigure = $parentAnchorLink.wrap(`<figure class="${options.imageAttributes.figureClass}"></figure>`).parent();
$newFigure.append(`<figcaption class="${options.imageAttributes.figcaptionClass}"> ${captionText}</figcaption>`);
} else {
$newFigure = $img.wrap(`<figure class="${options.imageAttributes.figureClass}"></figure>`).parent();
$img.after(`<figcaption class="${options.imageAttributes.figcaptionClass}">${captionText}</figcaption>`);
}
}
if (isAnyChangeMade) {
var _content = context.invoke('code');
$note.val(_content);
$note.trigger('summernote.change', _content);
}
});
};
this.showLinkDialog = function (imgInfo) {
return $.Deferred(function (deferred) {
var $imageTitle = self.$dialog.find('.note-image-title-text');
var $imageCaption = self.$dialog.find('.note-image-caption-text');
var $imageAlt = self.$dialog.find('.note-image-alt-text');
var $editBtn = self.$dialog.find('.note-image-title-btn');
var $imageWidthInput = self.$dialog.find('.note-image-width');
var $imageHeightInput = self.$dialog.find('.note-image-height');
var $lockButton = self.$dialog.find('.lock-button');
var $resetSizeButton = self.$dialog.find('.reset-size-buttton');
var $unlockIcon = $lockButton.find('.icon-unlock');
var $lockIcon = $lockButton.find('.icon-lock');
var isLocked = (typeof options.imageAttributes.manageAspectRatio === 'undefined') ? true: options.imageAttributes.manageAspectRatio;
if(isLocked){
$unlockIcon.addClass('hide').removeClass('show');
$lockIcon.addClass('show').removeClass('hide');
}
else {
$unlockIcon.addClass('show').removeClass('hide');
$lockIcon.addClass('hide').removeClass('show');
}
$lockButton.on('click', function (event) {
event.preventDefault();
isLocked = !isLocked;
if (isLocked) {
$unlockIcon.addClass('hide').removeClass('show')
$lockIcon.addClass('show').removeClass('hide')
$imageHeightInput.val(imageAdjustedHeight($imageWidthInput.val(), imgInfo.naturalWidth, imgInfo.naturalHeight));
}
else {
$unlockIcon.addClass('show').removeClass('hide')
$lockIcon.addClass('hide').removeClass('show')
}
});
$resetSizeButton.on('click', function (event) {
event.preventDefault();
$imageWidthInput.val(imgInfo.width);
$imageHeightInput.val(imgInfo.height);
});
$imageHeightInput.on("input", function () {
if (isLocked) {
$imageWidthInput.val(imageAdjustedWidth(this.value, imgInfo.naturalWidth, imgInfo.naturalHeight));
}
});
$imageWidthInput.on("input", function () {
if (isLocked) {
$imageHeightInput.val(imageAdjustedHeight(this.value, imgInfo.naturalWidth, imgInfo.naturalHeight));
}
});
ui.onDialogShown(self.$dialog, function () {
context.triggerEvent('dialog.shown');
$editBtn.on('click', function (event) {
event.preventDefault();
deferred.resolve({
title: $imageTitle.val(),
alt: $imageAlt.val(),
caption: $imageCaption.val(),
width: $imageWidthInput.val(),
height: $imageHeightInput.val(),
});
});
$imageTitle.val(imgInfo.title).trigger('focus');
self.bindEnterKey($imageTitle, $editBtn);
$imageAlt.val(imgInfo.alt);
self.bindEnterKey($imageAlt, $editBtn);
$imageCaption.val(imgInfo.caption);
self.bindEnterKey($imageCaption, $editBtn);
$imageWidthInput.val(imgInfo.width);
self.bindEnterKey($imageWidthInput, $editBtn);
$imageHeightInput.val(imgInfo.height);
self.bindEnterKey($imageHeightInput, $editBtn);
});
ui.onDialogHidden(self.$dialog, function () {
$editBtn.off('click');
$imageWidthInput.off('input');
$imageHeightInput.off('input');
$lockButton.off('click');
$resetSizeButton.off('click');
$unlockIcon.off('click');
$lockIcon.off('click');
if (deferred.state() === 'pending') {
deferred.reject();
}
});
ui.showDialog(self.$dialog);
});
};
function imageAdjustedHeight(heightInputValue, imageOriginalWidth, imageOriginalHeight) {
return parseInt(heightInputValue * (imageOriginalHeight / imageOriginalWidth), 10)
}
function imageAdjustedWidth(widthInputValue, imageOriginalWidth, imageOriginalHeight) {
return parseInt(widthInputValue * (imageOriginalWidth / imageOriginalHeight), 10)
}
}
});
}));