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changeValueAfterDND.js
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changeValueAfterDND.js
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import { setIn, getIn, removeAt, insert } from "timm";
import produce from "immer";
import _ from "underscore";
import { getStore } from "visual/redux/store";
import { globalBlocksAssembled2Selector } from "visual/redux/selectors";
import { updateGlobalBlock } from "visual/redux/actions";
import { normalizeRowColumns } from "visual/editorComponents/Row/utils";
import { setIds } from "visual/utils/models";
import { objectTraverse2 } from "visual/utils/object";
// timm helpers
const addIn = (object, [...path], value) => {
let index = path.pop();
index = Number(index) ? Number(index) : index;
let newObj = getIn(object, path);
newObj = insert(newObj, index, value);
return setIn(object, path, newObj);
};
const removeIn = (object, [...path]) => {
let index = path.pop();
index = Number(index) ? Number(index) : index;
let newObj = getIn(object, path);
newObj = removeAt(newObj, index);
return setIn(object, path, newObj);
};
function attachGlobalBlocks(value, source) {
const globalBlocks = globalBlocksAssembled2Selector(getStore().getState());
const { itemPath = [] } = source;
const transformed = produce(value, draft => {
let cursor = draft;
let i = 0;
do {
if (cursor.type && cursor.type === "GlobalBlock" && cursor.value) {
const { globalBlockId } = cursor.value;
if (globalBlocks[globalBlockId]) {
Object.assign(cursor, globalBlocks[globalBlockId], {
__tmp_global_original__: JSON.stringify(cursor)
});
}
}
cursor = cursor[itemPath[i++]];
} while (i < itemPath.length);
});
return transformed;
}
function detachGlobalBlocks(value, source) {
const globalBlockUpdates = [];
const ret = produce(value, draft => {
objectTraverse2(draft, obj => {
if (obj.__tmp_global_original__) {
// restore replaced global block (1)
const tmp = JSON.parse(obj.__tmp_global_original__);
delete obj.__tmp_global_original__;
// mark up global block for later update
globalBlockUpdates.push([tmp.value.globalBlockId, JSON.stringify(obj)]);
// restore replaced global block (2)
Object.assign(obj, tmp);
}
});
});
if (globalBlockUpdates.length) {
for (const [globalBlockId, dataStringified] of globalBlockUpdates) {
getStore().dispatch(
updateGlobalBlock({
id: globalBlockId,
data: JSON.parse(dataStringified)
})
);
}
}
return ret;
}
export default function changeValueAfterDND(oldValue, { from, to }) {
let value = attachGlobalBlocks(oldValue, from);
value = attachGlobalBlocks(value, to);
value = getValue(value, { from, to });
value = detachGlobalBlocks(value, from);
value = detachGlobalBlocks(value, to);
return value;
}
function getValue(value, { from, to }) {
let oldValue = value;
if (from.itemType === "shortcode") {
let movedElement = getIn(oldValue, from.itemPath);
if (from.containerType === "cloneable") {
let parentElement = getIn(oldValue, from.itemPath.slice(0, -3));
// if cloneable has only one item we remove it
if (parentElement.value.items.length <= 1) {
from.containerPath = from.itemPath.slice(0, -4);
from.itemPath = from.itemPath.slice(0, -3);
from.itemIndex = Number(from.itemPath[from.itemPath.length - 1]);
// if the cloneable will be removed
// and we do not decrement to.index then
// it will go one position after the desired one
// in the case when dragging from up to down
if (
_.isEqual(from.containerPath, to.containerPath) &&
from.itemIndex < to.itemIndex
) {
to.itemIndex--;
to.itemPath[to.itemPath.length - 1] = String(to.itemIndex);
}
}
movedElement = setIds(
setIn(parentElement, ["value", "items"], [movedElement])
);
}
switch (to.containerType) {
case "column":
return simpleMove(oldValue, from, to, movedElement);
case "row":
return moveShortcodeToRow(oldValue, from, to, movedElement);
case "section":
return moveShortcodeToSection(oldValue, from, to, movedElement);
}
}
if (from.itemType === "column") {
const parentElement = getIn(oldValue, from.itemPath.slice(0, -3));
if (
from.containerType === "posts" ||
(from.containerType === "carousel" &&
parentElement.value.dynamic === "on")
) {
// Cloned Column and changed the paths for the first column
from.itemPath[from.itemPath.length - 1] = "0";
const movedElement = setIds(getIn(oldValue, from.itemPath));
oldValue = addIn(oldValue, from.itemPath, movedElement);
}
switch (to.containerType) {
case "column":
return moveColumnToSection(oldValue, from, to);
case "row":
return _.isEqual(from.containerPath, to.containerPath)
? simpleMove(oldValue, from, to)
: moveColumnToAnotherRow(oldValue, from, to);
case "section":
return moveColumnToSection(oldValue, from, to);
}
}
if (from.itemType === "row") {
switch (to.containerType) {
case "column":
case "section":
return simpleMove(oldValue, from, to);
}
}
if (from.itemType === "addable") {
switch (to.containerType) {
case "column":
return moveAddableToColumn(oldValue, from, to);
case "row":
return moveAddableToRow(oldValue, from, to);
case "section":
return moveAddableToSection(oldValue, from, to);
}
}
return oldValue;
}
const moveAddableToColumn = (oldValue, from, to) => {
return addIn(oldValue, to.itemPath, from.itemData);
};
const simpleMove = (
oldValue,
from,
to,
movedElement = getIn(oldValue, from.itemPath)
) => {
let value;
if (from.itemPath.length < to.itemPath.length) {
value = addIn(oldValue, to.itemPath, movedElement);
value = removeIn(value, from.itemPath);
return value;
}
value = removeIn(oldValue, from.itemPath);
value = addIn(value, to.itemPath, movedElement);
return value;
};
const moveColumnToAnotherRow = (oldValue, from, to) => {
const movedColumn = getIn(oldValue, from.itemPath);
return moveColumns(oldValue, from, to, movedColumn);
};
const moveAddableToRow = (oldValue, from, to) => {
const { itemData } = from;
const items = itemData.type !== "Row" ? [itemData] : [];
const newColumn = createNewItem("Column", {
_styles: ["column"],
items
});
const value = addIn(oldValue, to.itemPath, newColumn);
return normalizeColumnsWidths(value, to.containerPath, from);
};
const moveShortcodeToRow = (oldValue, from, to, movedShortcode) => {
const newColumn = createNewItem("Column", {
_styles: ["column"],
items: [movedShortcode]
});
let value;
if (from.itemPath.length < to.itemPath.length) {
value = normalizeColumnsWidths(
addIn(oldValue, to.itemPath, newColumn),
to.containerPath,
from
);
value = removeIn(value, from.itemPath);
return value;
}
value = removeIn(oldValue, from.itemPath);
value = addIn(value, to.itemPath, newColumn);
return normalizeColumnsWidths(value, to.containerPath, from);
};
const moveShortcodeToSection = (oldValue, from, to, movedShortcode) => {
let value = removeIn(oldValue, from.itemPath);
return addIn(value, to.itemPath, movedShortcode);
};
const moveAddableToSection = (oldValue, from, to) => {
return addIn(oldValue, to.itemPath, from.itemData);
};
const moveColumnToSection = (oldValue, from, to) => {
const movedColumn = getIn(oldValue, from.itemPath);
const newRow = createNewItem("Row", {
_styles: ["row", "hide-row-borders", "padding-0"],
items: normalizeRowColumns([movedColumn])
});
const newTo = {
...to,
containerPath: [...to.itemPath, "value", "items"]
};
return moveColumns(oldValue, from, newTo, newRow);
};
const normalizeColumnsWidths = (value, path, from) => {
const targetColumns = getIn(value, path);
const { containerType, containerPath } = from;
const inCarousel =
containerType === "carousel" && _.isEqual(containerPath, path);
if (
!targetColumns ||
!_.every(targetColumns, ({ type }) => type === "Column") ||
inCarousel
)
return value;
return setIn(value, path, normalizeRowColumns(targetColumns));
};
const createNewItem = (type, value = {}) => {
return setIds({ type, value });
};
const isSourceFirst = (fromPath, toPath) => {
return _.some(fromPath, (item, key) => {
return item < toPath[key];
});
};
const moveElement = (oldValue, from, to, newValue) => {
let value;
if (isSourceFirst(from.itemPath, to.itemPath)) {
value = normalizeColumnsWidths(
addIn(oldValue, to.itemPath, newValue),
to.containerPath,
from
);
return normalizeColumnsWidths(
removeIn(value, from.itemPath),
from.containerPath,
from
);
} else {
value = normalizeColumnsWidths(
removeIn(oldValue, from.itemPath),
from.containerPath,
from
);
return normalizeColumnsWidths(
addIn(value, to.itemPath, newValue),
to.containerPath,
from
);
}
};
const moveColumns = (oldValue, from, to, newValue) => {
const sourceColumnPath = from.containerPath;
const sourceColumns = getIn(oldValue, sourceColumnPath);
// if row is empty, we should delete it
if (sourceColumns.length <= 1) {
const sourceRowItemPath = from.itemPath.slice(0, -3);
const sourceRowContainerPath = from.itemPath.slice(0, -4);
const newFrom = {
...from,
itemPath: sourceRowItemPath,
containerPath: sourceRowContainerPath
};
return moveElement(oldValue, newFrom, to, newValue);
} else {
return moveElement(oldValue, from, to, newValue);
}
};