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<script>
import { GlIcon, GlLink, GlSprintf } from '@gitlab/ui';
import { deprecatedCreateFlash as createFlash } from '~/flash';
import uploadDesignMutation from '../../graphql/mutations/upload_design.mutation.graphql';
import { UPLOAD_DESIGN_INVALID_FILETYPE_ERROR } from '../../utils/error_messages';
import { isValidDesignFile } from '../../utils/design_management_utils';
import { VALID_DATA_TRANSFER_TYPE, VALID_DESIGN_FILE_MIMETYPE } from '../../constants';
export default {
components: {
GlIcon,
GlLink,
GlSprintf,
},
props: {
hasDesigns: {
type: Boolean,
required: true,
},
isDraggingDesign: {
type: Boolean,
required: false,
default: false,
},
},
data() {
return {
dragCounter: 0,
isDragDataValid: false,
};
},
computed: {
dragging() {
return this.dragCounter !== 0;
},
iconStyles() {
return {
size: this.hasDesigns ? 24 : 16,
class: this.hasDesigns ? 'gl-mb-2' : 'gl-mr-3 gl-text-gray-500',
};
},
},
methods: {
isValidUpload(files) {
return files.every(isValidDesignFile);
},
isValidDragDataType({ dataTransfer }) {
return Boolean(dataTransfer && dataTransfer.types.some(t => t === VALID_DATA_TRANSFER_TYPE));
},
ondrop({ dataTransfer = {} }) {
this.dragCounter = 0;
// User already had feedback when dropzone was active, so bail here
if (!this.isDragDataValid) {
return;
}
const { files } = dataTransfer;
if (!this.isValidUpload(Array.from(files))) {
createFlash(UPLOAD_DESIGN_INVALID_FILETYPE_ERROR);
return;
}
this.$emit('change', files);
},
ondragenter(e) {
this.dragCounter += 1;
this.isDragDataValid = this.isValidDragDataType(e);
},
ondragleave() {
this.dragCounter -= 1;
},
openFileUpload() {
this.$refs.fileUpload.click();
},
onDesignInputChange(e) {
this.$emit('change', e.target.files);
},
},
uploadDesignMutation,
VALID_DESIGN_FILE_MIMETYPE,
};
</script>
<template>
<div
class="gl-w-full gl-relative"
@dragstart.prevent.stop
@dragend.prevent.stop
@dragover.prevent.stop
@dragenter.prevent.stop="ondragenter"
@dragleave.prevent.stop="ondragleave"
@drop.prevent.stop="ondrop"
>
<slot>
<button
class="card design-dropzone-card design-dropzone-border gl-w-full gl-h-full gl-align-items-center gl-justify-content-center gl-p-3"
@click="openFileUpload"
>
<div
:class="{ 'gl-flex-direction-column': hasDesigns }"
class="gl-display-flex gl-align-items-center gl-justify-content-center gl-text-center"
data-testid="dropzone-area"
>
<gl-icon name="upload" :size="iconStyles.size" :class="iconStyles.class" />
<p class="gl-mb-0">
<gl-sprintf :message="__('Drop or %{linkStart}upload%{linkEnd} designs to attach')">
<template #link="{ content }">
<gl-link @click.stop="openFileUpload">
{{ content }}
</gl-link>
</template>
</gl-sprintf>
</p>
</div>
</button>
<input
ref="fileUpload"
type="file"
name="design_file"
:accept="$options.VALID_DESIGN_FILE_MIMETYPE.mimetype"
class="hide"
multiple
@change="onDesignInputChange"
/>
</slot>
<transition name="design-dropzone-fade">
<div
v-show="dragging && !isDraggingDesign"
class="card design-dropzone-border design-dropzone-overlay gl-w-full gl-h-full gl-absolute gl-display-flex gl-align-items-center gl-justify-content-center gl-p-3 gl-bg-white"
>
<div v-show="!isDragDataValid" class="mw-50 gl-text-center">
<h3 :class="{ 'gl-font-base gl-display-inline': !hasDesigns }">{{ __('Oh no!') }}</h3>
<span>{{
__(
'You are trying to upload something other than an image. Please upload a .png, .jpg, .jpeg, .gif, .bmp, .tiff or .ico.',
)
}}</span>
</div>
<div v-show="isDragDataValid" class="mw-50 gl-text-center">
<h3 :class="{ 'gl-font-base gl-display-inline': !hasDesigns }">{{ __('Incoming!') }}</h3>
<span>{{ __('Drop your designs to start your upload.') }}</span>
</div>
</div>
</transition>
</div>
</template>
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