JustifiedInfiniteGrid
class JustifiedInfiniteGrid
'justified' is a printing term with the meaning that 'it fits in one row wide'. JustifiedInfiniteGrid is a grid that the item is filled up on the basis of a line given a size.
If 'data-grid-inline-offset' or 'data-grid-content-offset' are set for item element, the ratio is maintained except for the offset value.
If 'data-grid-maintained-target' is set for an element whose ratio is to be maintained, the item is rendered while maintaining the ratio of the element.
getWrapperElement
getScrollContainerElement
getContainerElement
syncItems
setCursors
getStartCursor
getEndCursor
append
prepend
insert
insertByGroupIndex
getStatus
setPlaceholder
setLoading
appendPlaceholders
prependPlaceholders
removePlaceholders
setStatus
removeGroupByIndex
removeGroupByKey
removeByIndex
removeByKey
updateItems
getItems
getVisibleItems
getRenderingItems
getGroups
getVisibleGroups
wait
ready
isWait
destroy
constructor
new JustifiedInfiniteGrid(container, options)
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
container | HTMLElement | string | A base element for a module | ||
options | JustifiedInfiniteGridOptions | The option object of the JustifiedInfiniteGrid module |
Methods
renderItems
Rearrange items to fit the grid and render them. When rearrange is complete, the renderComplete
event is fired.
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
options | RenderOptions | ✔️ | {} | Options for rendering. |
import { MasonryInfiniteGrid } from "@egjs/infinitegrid";
const grid = new MasonryInfiniteGrid();
grid.on("renderComplete", e => {
console.log(e);
});
grid.renderItems();
getWrapperElement
Returns the wrapper element specified by the user.
getScrollContainerElement
Returns the container element corresponding to the scroll area.
getContainerElement
Returns the container element containing item elements.
syncItems
When items change, it synchronizes and renders items.
Returns: this
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
items | InfiniteGridItemInfo[] | Options for rendering. |
setCursors
Change the currently visible groups.
Returns: this
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
startCursor | number | first index of visible groups. | ||
endCursor | number | last index of visible groups. | ||
useFirstRender | boolean | ✔️ | Whether the first rendering has already been done. |
getStartCursor
Returns the first index of visible groups.
Returns: number
getEndCursor
Returns the last index of visible groups.
Returns: number
append
Add items at the bottom(right) of the grid.
Returns: this
- An instance of a module itself
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
items | InfiniteGridInsertedItems | items to be added | ||
groupKey | string | number | ✔️ | The group key to be configured in items. It is automatically generated by default. |
ig.append(`<div class="item">test1</div><div class="item">test2</div>`);
ig.append([`<div class="item">test1</div>`, `<div class="item">test2</div>`]);
ig.append([HTMLElement1, HTMLElement2]);
prepend
Add items at the top(left) of the grid.
Returns: this
- An instance of a module itself
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
items | InfiniteGridInsertedItems | items to be added | ||
groupKey | string | number | ✔️ | The group key to be configured in items. It is automatically generated by default. |
ig.prepend(`<div class="item">test1</div><div class="item">test2</div>`);
ig.prepend([`<div class="item">test1</div>`, `<div class="item">test2</div>`]);
ig.prepend([HTMLElement1, HTMLElement2]);
insert
Add items to a specific index.
Returns: this
- An instance of a module itself
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
index | number | index to add | ||
items | InfiniteGridInsertedItems | items to be added | ||
groupKey | string | number | ✔️ | The group key to be configured in items. It is automatically generated by default. |
ig.insert(2, `<div class="item">test1</div><div class="item">test2</div>`);
ig.insert(3, [`<div class="item">test1</div>`, `<div class="item">test2</div>`]);
ig.insert(4, [HTMLElement1, HTMLElement2]);
insertByGroupIndex
Add items based on group index.
Returns: this
- An instance of a module itself
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
groupIndex | number | group index to add | ||
items | InfiniteGridInsertedItems | items to be added | ||
groupKey | string | number | ✔️ | The group key to be configured in items. It is automatically generated by default. |
ig.insertByGroupIndex(2, `<div class="item">test1</div><div class="item">test2</div>`);
ig.insertByGroupIndex(3, [`<div class="item">test1</div>`, `<div class="item">test2</div>`]);
ig.insertByGroupIndex(4, [HTMLElement1, HTMLElement2]);
getStatus
Returns the current state of a module such as location information. You can use the setStatus() method to restore the information returned through a call to this method.
Returns: InfiniteGridStatus
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
type | STATUS_TYPE | ✔️ | STATUS_TYPE.NOT_REMOVE = Get all information about items. STATUS_TYPE.REMOVE_INVISIBLE_ITEMS = Get information on visible items only. STATUS_TYPE.MINIMIZE_INVISIBLE_ITEMS = Compress invisible items. You can replace it with a placeholder. STATUS_TYPE.MINIMIZE_INVISIBLE_GROUPS = Compress invisible groups. | |
includePlaceholders | boolean | ✔️ | Whether to include items corresponding to placeholders. |
setPlaceholder
You can set placeholders to restore status or wait for items to be added.
Returns: this
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
info | Partial<InfiniteGridItemStatus> | null | The placeholder status. |
setLoading
You can set placeholders to restore status or wait for items to be added.
Returns: this
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
info | Partial<InfiniteGridItemStatus> | null | The placeholder status. |
appendPlaceholders
Add the placeholder at the end.
Returns: InsertedPlaceholdersResult
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
items | number | InfiniteGridItemStatus[] | Items that correspond to placeholders. If it is a number, it duplicates the number of copies. | ||
groupKey | string | number | ✔️ | The group key to be configured in items. It is automatically generated by default. |
prependPlaceholders
Add the placeholder at the start.
Returns: InsertedPlaceholdersResult
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
items | number | InfiniteGridItemStatus[] | Items that correspond to placeholders. If it is a number, it duplicates the number of copies. | ||
groupKey | string | number | ✔️ | The group key to be configured in items. It is automatically generated by default. |
removePlaceholders
Remove placeholders
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
type | "start" | "end" | {groupKey: string | number} | Remove the placeholders corresponding to the groupkey. When "start" or "end", remove all placeholders in that direction. |
setStatus
Sets the status of the InfiniteGrid module with the information returned through a call to the getStatus() method.
Returns: this
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
status | InfiniteGridStatus | status object of the InfiniteGrid module. | ||
useFirstRender | boolean | ✔️ | Whether the first rendering has already been done. |
removeGroupByIndex
Removes the group corresponding to index.
Returns: this
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
index | number |
removeGroupByKey
Removes the group corresponding to key.
Returns: this
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
key | number | string |
removeByIndex
Removes the item corresponding to index.
Returns: this
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
index | number |
removeByKey
Removes the item corresponding to key.
Returns: this
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
key | string | number |
updateItems
Update the size of the items and render them.
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
items | InfiniteGridItem[] | ✔️ | Items to be updated. | |
options | RenderOptions | ✔️ | {} | Options for rendering. |
getItems
Return all items of InfiniteGrid.
Returns: InfiniteGridItem[]
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
includePlaceholders | boolean | ✔️ | Whether to include items corresponding to placeholders. |
getVisibleItems
Return visible items of InfiniteGrid.
Returns: InfiniteGridItem[]
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
includePlaceholders | boolean | ✔️ | Whether to include items corresponding to placeholders. |
getRenderingItems
Return rendering items of InfiniteGrid.
Returns: InfiniteGridItem[]
getGroups
Return all groups of InfiniteGrid.
Returns: InfiniteGridGroup[]
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
includePlaceholders | boolean | ✔️ | Whether to include groups corresponding to placeholders. |
getVisibleGroups
Return visible groups of InfiniteGrid.
Returns: InfiniteGridGroup[]
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
includePlaceholders | boolean | ✔️ | Whether to include groups corresponding to placeholders. |
wait
Set to wait to request data.
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
direction | "start" | "end" | ✔️ | DIRECTION.END | direction in which data will be added. |
ready
When the data request is complete, it is set to ready state.
isWait
Returns whether it is set to wait to request data.
destroy
Releases the instnace and events and returns the CSS of the container and elements.
Returns: void
Events
changeScroll
This event is fired when scrolling.
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
e | InfiniteGrid.OnChangeScroll | The object of data to be sent to an event |
requestAppend
The event is fired when scrolling reaches the end or when data for a virtual group is required.
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
e | InfiniteGrid.OnRequestAppend | The object of data to be sent to an event |
requestPrepend
The event is fired when scrolling reaches the start or when data for a virtual group is required.
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
e | InfiniteGrid.OnRequestPrepend | The object of data to be sent to an event |
contentError
The event is fired when scrolling reaches the start or when data for a virtual group is required.
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
e | InfiniteGrid.OnContentError | The object of data to be sent to an event |
renderComplete
This event is fired when the InfiniteGrid has completed rendering.
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
e | InfiniteGrid.OnRenderComplete | The object of data to be sent to an event |