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NGSTACK-878 add js for image upload and modify css
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| const inputElement = document.getElementById( | ||
| 'ezplatform_content_forms_content_edit_fieldsData_image_value_file' | ||
| ); | ||
| const imageElement = document.getElementById('img-preview'); | ||
| const removeImageButton = document.getElementById('btn-remove-img'); | ||
| const removeImageCheckbox = document.getElementsByClassName('js-remove-image')[0]; | ||
|
|
||
| function updateSource() { | ||
| const file = this.files[0]; | ||
| if (file !== undefined) { | ||
| imageElement.src = URL.createObjectURL(file); | ||
| } else { | ||
| imageElement.src = ''; | ||
| } | ||
| } | ||
|
|
||
| function removeImage() { | ||
| removeImageCheckbox.checked = true; | ||
| inputElement.value = ''; | ||
| imageElement.src = ''; | ||
| } | ||
|
|
||
| if (inputElement) { | ||
| inputElement.addEventListener('change', updateSource, false); | ||
| } | ||
|
|
||
| if (removeImageButton) { | ||
| removeImageButton.addEventListener('click', removeImage, false); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| export default class ImageUpload { | ||
| constructor(element, options) { | ||
| this.inputElement = element; | ||
| this.removeElement = document.querySelector(options.removeButtonSelector); | ||
| this.filenameElement = document.querySelector(options.imageFilenameSelector); | ||
| this.filenameWrapper = document.querySelector(options.filenameWrapper); | ||
| this.replaceImageBtn = document.querySelector(options.replaceImageBtnSelector); | ||
| this.imagePreview = document.querySelector(options.imagePreviewSelector); | ||
| this.onInit(); | ||
| } | ||
|
|
||
| onInit() { | ||
| this.initialFilename = this.filenameElement.innerHTML.trim(); | ||
| this.initialImageSrc = this.imagePreview.src; | ||
|
|
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| this.inputElement.addEventListener('input', this.handleFileChange.bind(this)); | ||
|
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| this.replaceImageBtn.addEventListener('click', () => this.inputElement.click()); | ||
|
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| this.removeElement.addEventListener('change', this.handleRemoveImageChange.bind(this)); | ||
| } | ||
|
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| handleFileChange(e) { | ||
| const that = this; | ||
|
|
||
| function readURL(input) { | ||
| if (input.files && input.files[0]) { | ||
| var reader = new FileReader(); | ||
|
|
||
| reader.onload = function (event) { | ||
| that.imagePreview.setAttribute('src', event.target.result); | ||
| }; | ||
|
|
||
| reader.readAsDataURL(input.files[0]); | ||
| } | ||
| } | ||
|
|
||
| if (e.target.value) { | ||
| readURL(e.target); | ||
| this.replaceImageBtn.classList.remove('hidden'); | ||
| this.inputElement.classList.add('hidden'); | ||
| this.filenameWrapper.classList.remove('hidden'); | ||
| if (e.target.value) { | ||
| this.filenameElement.innerHTML = this.inputElement.files[0].name; | ||
| } | ||
| if (this.removeElement.checked) { | ||
| this.removeElement.click(); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| handleRemoveImageChange(e) { | ||
| if (!e.target.checked) return; | ||
|
|
||
| if (this.inputElement.value && this.initialFilename) { | ||
| e.target.checked = false; | ||
| this.filenameElement.innerHTML = this.initialFilename; | ||
| this.imagePreview.setAttribute('src', this.initialImageSrc); | ||
| } else { | ||
| this.replaceImageBtn.classList.add('hidden'); | ||
| this.inputElement.classList.remove('hidden'); | ||
| this.filenameWrapper.classList.add('hidden'); | ||
| this.imagePreview.setAttribute('src', ''); | ||
| } | ||
|
|
||
| this.inputElement.value = ''; | ||
| } | ||
| } |
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