From 97413b2115b2227656fab7dc31d32a42c8ce5324 Mon Sep 17 00:00:00 2001
From: Tiberiu Ichim <tiberiu.ichim@gmail.com>
Date: Thu, 17 Sep 2020 17:36:59 +0300
Subject: [PATCH] Add package content, extracted and improved from
 tiberiuichim/volto-blocks-form

---
 .gitignore                            |   1 +
 src/ColumnsBlock/ColumnsBlockEdit.jsx | 106 ++++++++++++++++++++++++
 src/ColumnsBlock/ColumnsBlockView.jsx |  26 ++++++
 src/ColumnsBlock/index.js             |   2 +
 src/ColumnsBlock/schema.js            |  21 +++++
 src/ColumnsBlock/styles.less          |  28 +++++++
 src/ColumnsBlock/utils.js             |  19 +++++
 src/ColumnsWidget/ColumnsWidget.jsx   | 115 ++++++++++++++++++++++++++
 src/ColumnsWidget/index.js            |   2 +
 src/index.js                          |  30 ++++++-
 10 files changed, 346 insertions(+), 4 deletions(-)
 create mode 100644 src/ColumnsBlock/ColumnsBlockEdit.jsx
 create mode 100644 src/ColumnsBlock/ColumnsBlockView.jsx
 create mode 100644 src/ColumnsBlock/index.js
 create mode 100644 src/ColumnsBlock/schema.js
 create mode 100644 src/ColumnsBlock/styles.less
 create mode 100644 src/ColumnsBlock/utils.js
 create mode 100644 src/ColumnsWidget/ColumnsWidget.jsx
 create mode 100644 src/ColumnsWidget/index.js

diff --git a/.gitignore b/.gitignore
index 211dab2..a88924a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@ dist
 .env.development.local
 .env.test.local
 .env.production.local
+*~
diff --git a/src/ColumnsBlock/ColumnsBlockEdit.jsx b/src/ColumnsBlock/ColumnsBlockEdit.jsx
new file mode 100644
index 0000000..d14ad0d
--- /dev/null
+++ b/src/ColumnsBlock/ColumnsBlockEdit.jsx
@@ -0,0 +1,106 @@
+import React from 'react';
+import { Grid } from 'semantic-ui-react';
+import { isEmpty } from 'lodash';
+import { SidebarPortal, InlineForm, BlocksForm } from '@plone/volto/components';
+import { emptyBlocksForm } from '@plone/volto/helpers';
+
+import { ColumnsBlockSchema } from './schema';
+import { getColumns, empty } from './utils';
+
+import './styles.less';
+
+const ColumnsBlockEdit = (props) => {
+  const {
+    block,
+    data,
+    onChangeBlock,
+    onChangeField,
+    pathname,
+    selected,
+  } = props;
+
+  React.useEffect(() => {
+    if (!data.coldata) {
+      onChangeBlock(block, { ...data, coldata: empty() });
+    }
+  });
+
+  const [colSelections, setColSelections] = React.useState({});
+
+  const { coldata = empty() } = data;
+  const columnList = getColumns(coldata);
+
+  return (
+    <>
+      <div className="columns-block">
+        {/* {<h3>{data.block_title}</h3>} */}
+        <Grid columns={columnList.length}>
+          {columnList.map(([colId, column], index) => {
+            return (
+              <Grid.Column className="block-column" key={colId}>
+                {/* <h4>{`Column ${index}`}</h4> */}
+                <BlocksForm
+                  properties={isEmpty(column) ? emptyBlocksForm() : column}
+                  selectedBlock={selected ? colSelections[colId] : null}
+                  onSelectBlock={(id) =>
+                    setColSelections({
+                      // this invalidates selection in all other columns
+                      [colId]: id,
+                    })
+                  }
+                  onChangeFormData={(newFormData) => {
+                    onChangeBlock(block, {
+                      ...data,
+                      coldata: {
+                        ...coldata,
+                        columns: {
+                          ...coldata.columns,
+                          [colId]: newFormData,
+                        },
+                      },
+                    });
+                  }}
+                  onChangeField={(id, value) => {
+                    if (['blocks', 'blocks_layout'].indexOf(id) > -1) {
+                      onChangeBlock(block, {
+                        ...data,
+                        coldata: {
+                          ...coldata,
+                          columns: {
+                            ...coldata.columns,
+                            [colId]: {
+                              ...coldata.columns?.[colId],
+                              [id]: value,
+                            },
+                          },
+                        },
+                      });
+                    } else {
+                      onChangeField(id, value);
+                    }
+                  }}
+                  pathname={pathname}
+                />
+              </Grid.Column>
+            );
+          })}
+        </Grid>
+      </div>
+      <SidebarPortal selected={selected}>
+        <InlineForm
+          schema={ColumnsBlockSchema}
+          title={ColumnsBlockSchema.title}
+          onChangeField={(id, value) => {
+            onChangeBlock(block, {
+              ...data,
+              [id]: value,
+            });
+          }}
+          formData={data}
+        />
+      </SidebarPortal>
+    </>
+  );
+};
+
+export default ColumnsBlockEdit;
diff --git a/src/ColumnsBlock/ColumnsBlockView.jsx b/src/ColumnsBlock/ColumnsBlockView.jsx
new file mode 100644
index 0000000..233ccbc
--- /dev/null
+++ b/src/ColumnsBlock/ColumnsBlockView.jsx
@@ -0,0 +1,26 @@
+import React from 'react';
+import { Grid } from 'semantic-ui-react';
+import { renderBlocks } from '@plone/volto/helpers';
+import { getColumns, empty } from './utils';
+
+const ColumnsBlockView = (props) => {
+  const { coldata = empty(), block_title } = props.data;
+  const columnList = getColumns(coldata);
+  return (
+    <div>
+      {block_title ? <h3>{block_title}</h3> : ''}
+      <Grid columns={columnList.length}>
+        {columnList.map(([id, column], index) => {
+          return (
+            <Grid.Column className="demo-column" key={id}>
+              <h4>{`Column ${index}`}</h4>
+              {renderBlocks(column, props)}
+            </Grid.Column>
+          );
+        })}
+      </Grid>
+    </div>
+  );
+};
+
+export default ColumnsBlockView;
diff --git a/src/ColumnsBlock/index.js b/src/ColumnsBlock/index.js
new file mode 100644
index 0000000..0959b48
--- /dev/null
+++ b/src/ColumnsBlock/index.js
@@ -0,0 +1,2 @@
+export ColumnsBlockView from './ColumnsBlockView';
+export ColumnsBlockEdit from './ColumnsBlockEdit';
diff --git a/src/ColumnsBlock/schema.js b/src/ColumnsBlock/schema.js
new file mode 100644
index 0000000..bc75d50
--- /dev/null
+++ b/src/ColumnsBlock/schema.js
@@ -0,0 +1,21 @@
+export const ColumnsBlockSchema = {
+  title: 'Columns block',
+  fieldsets: [
+    {
+      id: 'default',
+      title: 'Default',
+      fields: ['block_title', 'coldata'], //  'nrColumns'
+    },
+  ],
+  properties: {
+    block_title: {
+      title: 'Block title',
+      default: 'Columns',
+    },
+    coldata: {
+      title: 'Columns',
+      type: 'columns',
+    },
+  },
+  required: ['title'],
+};
diff --git a/src/ColumnsBlock/styles.less b/src/ColumnsBlock/styles.less
new file mode 100644
index 0000000..c668d5f
--- /dev/null
+++ b/src/ColumnsBlock/styles.less
@@ -0,0 +1,28 @@
+.columns-block {
+  .block-column {
+    padding: 0.3em;
+  }
+}
+
+.drag-drop-list-widget {
+  .columns-area {
+    padding: 1em 0em;
+
+    [data-rbd-draggable-context-id] {
+      margin-bottom: 0.3em;
+    }
+
+    .column-area {
+      display: flex;
+
+      .label {
+        flex-grow: 2;
+        padding-left: 1em;
+      }
+
+      button {
+        flex-grow: 0;
+      }
+    }
+  }
+}
diff --git a/src/ColumnsBlock/utils.js b/src/ColumnsBlock/utils.js
new file mode 100644
index 0000000..667eaf4
--- /dev/null
+++ b/src/ColumnsBlock/utils.js
@@ -0,0 +1,19 @@
+import { v4 as uuid } from 'uuid';
+import { emptyBlocksForm } from '@plone/volto/helpers';
+
+export const getColumns = (coldata) => {
+  return (coldata?.columns_layout?.items || []).map((id) => [
+    id,
+    coldata.columns?.[id],
+  ]);
+};
+
+export const empty = () => {
+  const id = uuid();
+  return {
+    columns: { [id]: emptyBlocksForm() },
+    columns_layout: {
+      items: [id],
+    },
+  };
+};
diff --git a/src/ColumnsWidget/ColumnsWidget.jsx b/src/ColumnsWidget/ColumnsWidget.jsx
new file mode 100644
index 0000000..5a4375d
--- /dev/null
+++ b/src/ColumnsWidget/ColumnsWidget.jsx
@@ -0,0 +1,115 @@
+import React from 'react';
+import { v4 as uuid } from 'uuid';
+import { omit, without } from 'lodash';
+import move from 'lodash-move';
+import { DragDropList, Icon, FormFieldWrapper } from '@plone/volto/components';
+import { emptyBlocksForm } from '@plone/volto/helpers';
+
+import dragSVG from '@plone/volto/icons/drag.svg';
+import trashSVG from '@plone/volto/icons/delete.svg';
+import plusSVG from '@plone/volto/icons/circle-plus.svg';
+
+export function moveColumn(formData, source, destination) {
+  return {
+    ...formData,
+    columns_layout: {
+      items: move(formData.columns_layout?.items, source, destination),
+    },
+  };
+}
+
+const empty = () => {
+  return [uuid(), emptyBlocksForm()];
+};
+
+const ColumnsWidget = (props) => {
+  const { value = {}, id, onChange } = props;
+  const { columns = {} } = value;
+  const columnsList = (value.columns_layout?.items || []).map((id) => [
+    id,
+    columns[id],
+  ]);
+  return (
+    <FormFieldWrapper
+      {...props}
+      draggable={false}
+      className="drag-drop-list-widget"
+    >
+      <div className="columns-area">
+        <DragDropList
+          childList={columnsList}
+          onMoveItem={(result) => {
+            const { source, destination } = result;
+            if (!destination) {
+              return;
+            }
+            const newFormData = moveColumn(
+              value,
+              source.index,
+              destination.index,
+            );
+            onChange(id, newFormData);
+            return true;
+          }}
+          renderChild={(child, childId, index, draginfo) => (
+            <div ref={draginfo.innerRef} {...draginfo.draggableProps}>
+              <div style={{ position: 'relative' }}>
+                <div
+                  style={{
+                    visibility: 'visible',
+                    display: 'inline-block',
+                  }}
+                  {...draginfo.dragHandleProps}
+                  className="drag handle wrapper"
+                >
+                  <Icon name={dragSVG} size="18px" />
+                </div>
+                <div className="column-area">
+                  <div className="label">Column {index}</div>
+                  <button
+                    onClick={() => {
+                      const newFormData = {
+                        ...value,
+                        columns: omit({ ...value.columns }, [childId]),
+                        columns_layout: {
+                          ...value.columns_layout,
+                          items: without(
+                            [...value.columns_layout?.items],
+                            childId,
+                          ),
+                        },
+                      };
+                      onChange(id, newFormData);
+                    }}
+                  >
+                    <Icon name={trashSVG} size="18px" />
+                  </button>
+                </div>
+              </div>
+            </div>
+          )}
+        />
+        <button
+          onClick={() => {
+            const [newId, newData] = empty();
+            onChange(id, {
+              ...value,
+              columns: {
+                ...value.columns,
+                [newId]: newData,
+              },
+              columns_layout: {
+                ...value.columns_layout,
+                items: [...value.columns_layout?.items, newId],
+              },
+            });
+          }}
+        >
+          <Icon name={plusSVG} size="18px" />
+        </button>
+      </div>
+    </FormFieldWrapper>
+  );
+};
+
+export default ColumnsWidget;
diff --git a/src/ColumnsWidget/index.js b/src/ColumnsWidget/index.js
new file mode 100644
index 0000000..b00aba5
--- /dev/null
+++ b/src/ColumnsWidget/index.js
@@ -0,0 +1,2 @@
+import ColumnsWidget from './ColumnsWidget';
+export default ColumnsWidget;
diff --git a/src/index.js b/src/index.js
index cb042f0..49bc7d1 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,5 +1,27 @@
-const applyConfig = (config) => {
-  return config;
-};
+import codeSVG from '@plone/volto/icons/code.svg';
+
+import { ColumnsBlockView, ColumnsBlockEdit } from './ColumnsBlock';
+import ColumnsWidget from './ColumnsWidget';
+
+export default function install(config) {
+  config.blocks.blocksConfig.columnsBlock = {
+    id: 'columnsBlock',
+    title: 'Columns',
+    icon: codeSVG,
+    group: 'common',
+    view: ColumnsBlockView,
+    edit: ColumnsBlockEdit,
+    restricted: false,
+    mostUsed: true,
+    blockHasOwnFocusManagement: true,
+    sidebarTab: 1,
+    security: {
+      addPermission: [],
+      view: [],
+    },
+  };
 
-export default applyConfig;
+  config.widgets.type.columns = ColumnsWidget;
+
+  return config;
+}