Design ImgPReview slider and remoive dynamic

packages/strapi-admin/admin/src/translations/en.json

@@ -11,6 +11,8 @@
   "app.components.HomePage.button": "Create your first content type",
   "app.components.HomePage.feedback": "Feel free to ask questions or give us feedback by using one of the support channels below.",
 
+  "app.components.InputFile.newFile": "ADD NEW FILE",
+
   "app.components.InstallPluginPage.helmet": "Install plugins",
   "app.components.InstallPluginPage.title": "Install new plugins",
   "app.components.InstallPluginPage.description": "Extend your app with no efforts",

packages/strapi-admin/admin/src/translations/fr.json

@@ -11,6 +11,8 @@
   "app.components.HomePage.button": "Créez votre premier type de contenu",
   "app.components.HomePage.feedback": "N'hésitez pas à utiliser un des channels ci-dessous pour poser vos questions ou nous donner vos retours.",
 
+  "app.components.InputFile.newFile": "AJOUTER UN NOUVEAU FICHIER",
+
   "app.components.InstallPluginPage.helmet": "Installez des plugins",
   "app.components.InstallPluginPage.title": "Installez des nouveaux plugins",
   "app.components.InstallPluginPage.description": "Améliorez votre app sans efforts",

packages/strapi-helper-plugin/lib/src/components/ImgPreview/index.js

@@ -7,7 +7,7 @@
 
 import React from 'react';
 import PropTypes from 'prop-types';
-import { get, isEmpty, isObject } from 'lodash';
+import { cloneDeep, get, isEmpty, isObject, size } from 'lodash';
 import cn from 'classnames';
 
 import styles from './styles.scss';
@@ -16,8 +16,10 @@ class ImgPreview extends React.Component {
   state = { imgURL: '', position: 0 };
 
   componentDidMount() {
+    // We don't need the generateImgURL function here since the compo will
+    // always have an init value here
     this.setState({
-        imgURL: get(this.props.files, ['0', 'url']),
+        imgURL: get(this.props.files, ['0', 'url'], ''),
     });
   }
 
@@ -46,18 +48,18 @@ class ImgPreview extends React.Component {
     reader.readAsDataURL(file);
   }
 
-  handleClick = (operator) => {
+  handleClick = (type) => {
     const { position } = this.state;
     const { files } = this.props;
     let file;
     let nextPosition;
 
-    switch (operator) {
-      case '+':
+    switch (type) {
+      case 'right':
         file = files[position + 1] || files[0];
         nextPosition = files[position + 1] ? position + 1 : 0;
         break;
-      case '-':
+      case 'left':
         file = files[position - 1] || files[files.length - 1];
         nextPosition = files[position - 1] ? position - 1 : files.length - 1;
         break;
@@ -74,16 +76,67 @@ class ImgPreview extends React.Component {
     this.setState({ position: nextPosition });
   }
 
+  removeFile = (e) => {
+    e.preventDefault();
+    e.stopPropagation();
+
+    const value = cloneDeep(this.props.files);
+    value.splice(this.state.position, 1);
+
+    const nextPosition = this.state.position - 1 === -1 ? 0 : this.state.position - 1;
+    const nextFile = value[nextPosition];
+
+    if (!isEmpty(nextFile)) {
+      if (!nextFile.url) {
+        this.generateImgURL(nextFile);
+      } else {
+        this.setState({ imgURL: nextFile.url });
+      }
+    } else {
+      this.setState({ imgURL: '' });
+    }
+
+    const target = {
+      name: this.props.name,
+      type: 'file',
+      value,
+    };
+
+    this.setState({ position: nextPosition });
+
+    this.props.onChange({ target });
+  }
+
+  renderArrow = (type = 'left') => (
+    <div
+      className={cn(
+        styles.arrowContainer,
+        type === 'left' && styles.arrowLeft,
+        type !== 'left' && styles.arrowRight,
+      )}
+      onClick={(e) => {
+        e.preventDefault();
+        e.stopPropagation();
+        this.handleClick(type);
+      }}
+    />
+  )
+
+  renderIconRemove = () => (
+    <div className={styles.iconContainer} onClick={this.removeFile}>
+      <i className="fa fa-times" />
+    </div>
+  )
+
   render() {
+    const { files, multiple } = this.props;
+
     return (
-      <div>
+      <div className={styles.imgPreviewContainer}>
+        {!isEmpty(files) && this.renderIconRemove()}
         <img src={this.state.imgURL} />
-        <button className="btn btn-primary" onClick={() => this.handleClick('+')}>
-          +
-        </button>
-        <button className="btn btn-primary" onClick={() => this.handleClick('-')}>
-          -
-        </button>
+        { multiple && size(files) > 1 && this.renderArrow('right')}
+        { multiple && size(files) > 1 && this.renderArrow('left')}
       </div>
     );
   }
@@ -92,11 +145,17 @@ class ImgPreview extends React.Component {
 ImgPreview.defaultProps = {
   files: [{}],
   isUploading: false,
+  multiple: false,
+  name: '',
+  onChange: () => {},
 };
 
 ImgPreview.propTypes = {
   files: PropTypes.array,
   isUploading: PropTypes.bool,
+  multiple: PropTypes.bool,
+  name: PropTypes.string,
+  onChange: PropTypes.func,
 };
 
 export default ImgPreview;

packages/strapi-helper-plugin/lib/src/components/ImgPreview/styles.scss

@@ -0,0 +1,67 @@
+.imgPreviewContainer {
+  display: table-cell;
+  height: 144px;
+  width: 358px;
+  position: relative;
+  border-top-left-radius: 2px;
+  border-top-right-radius: 2px;
+  text-align: center;
+  vertical-align: middle;
+  // background-color: red;
+  background-color: #F3F4F4;
+  white-space: nowrap;
+
+  > img {
+    max-width: 358px;
+    max-height: 144px;
+  }
+}
+
+.iconContainer {
+  position: absolute;
+  top: 5px;
+  right: 3px;
+  width: 20px;
+  height: 20px;
+  color: #fff;
+  font-size: 11px;
+  cursor: pointer;
+}
+
+.arrowContainer {
+  height: 32px;
+  width: 28px;
+  background: rgba(0,0,0,0.20);
+  border-radius: 2px 0 0 2px;
+  text-align: center;
+  color: #fff;
+  cursor: pointer;
+}
+
+.arrowRight {
+  position: absolute;
+  top: 56px;
+  right: 0;
+  &:before {
+    content: '\f105';
+    vertical-align: middle;
+    text-align: center;
+    font-family: 'FontAwesome';
+    font-size: 20px;
+    font-weight: 800;
+  }
+}
+
+.arrowLeft {
+  position: absolute;
+  top: 56px;
+  left: 0;
+  &:before {
+    content: '\f104';
+    vertical-align: middle;
+    text-align: center;
+    font-family: 'FontAwesome';
+    font-size: 20px;
+    font-weight: 800;
+  }
+}

packages/strapi-helper-plugin/lib/src/components/InputFile/index.js

@@ -7,6 +7,7 @@
 
 import React from 'react';
 import PropTypes from 'prop-types';
+import { FormattedMessage } from 'react-intl';
 import { cloneDeep, isArray, isObject, isEmpty, last } from 'lodash';
 import cn from 'classnames';
 
@@ -44,16 +45,28 @@ class InputFile extends React.Component {
 
     return (
       <div>
-        <ImgPreview
-          files={value}
-          isUploading={this.state.isUploading}
-        />
-        <input
-          multiple={multiple}
-          name={name}
-          onChange={this.handleChange}
-          type="file"
-        />
+        <label
+        >
+          <ImgPreview
+            files={value}
+            isUploading={this.state.isUploading}
+            multiple={multiple}
+            name={name}
+            onChange={onChange}
+          />
+          <input
+            className={styles.inputFile}
+            multiple={multiple}
+            name={name}
+            onChange={this.handleChange}
+            type="file"
+          />
+
+          <div className={styles.buttonContainer}>
+            <i className="fa fa-plus" />
+            <FormattedMessage id="app.components.InputFile.newFile" />
+          </div>
+        </label>
       </div>
     );
   }

packages/strapi-helper-plugin/lib/src/components/InputFile/styles.scss

@@ -0,0 +1,29 @@
+.inputFile {
+  opacity: 0;
+	overflow: hidden;
+	position: absolute;
+	z-index: -1;
+}
+
+.buttonContainer {
+  width: 100%;
+  height: 34px;
+  text-align: center;
+  background-color: #FAFAFB;
+  border: 1px solid #E3E9F3;
+  border-top: 0;
+  border-bottom-left-radius: 2px;
+  border-bottom-right-radius: 2px;
+
+  color: #333740;
+  font-size: 12px;
+  font-weight: 700;
+  -webkit-font-smoothing: antialiased;
+  line-height: 34px;
+  cursor: pointer;
+
+  > i {
+    margin-right: 10px;
+  }
+
+}

packages/strapi-plugin-upload/admin/src/containers/HomePage/index.js

@@ -33,12 +33,14 @@ export class HomePage extends React.Component {
 
   render() {
     return (
-      <div className={styles.homePage}>
-        <InputFile
-          name="test"
-          value={this.state.value}
-          onChange={this.onChange}
-        />
+      <div className={styles.homePage} style={{ paddingTop: '100px', marginLeft: '100px'}}>
+        <form>
+          <InputFile
+            name="test"
+            value={this.state.value}
+            onChange={this.onChange}
+            />
+        </form>
       </div>
     );
   }