MasonryInfiniteGrid
class MasonryInfiniteGrid extends InfiniteGrid
MasonryInfiniteGrid is a grid that stacks items with the same width as a stack of bricks. Adjust the width of all images to the same size, find the lowest height column, and insert a new item.
getWrapperElement
getScrollContainerElement
getContainerElement
syncItems
setCursors
getStartCursor
getEndCursor
append
prepend
insert
getStatus
setPlaceholder
setLoading
appendPlaceholders
prependPlaceholders
removePlaceholders
setStatus
removeGroupByIndex
removeGroupByKey
removeByIndex
removeByKey
updateItems
getItems
getVisibleItems
getRenderingItems
getGroups
getVisibleGroups
wait
ready
isWait
destroy
trigger
once
hasOn
on
off
constructor
new MasonryInfiniteGrid(container, options)
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
container | HTMLElement | string | A base element for a module | ||
options | MasonryInfiniteGridOptions | The option object of the MasonryInfiniteGrid 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]);
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
trigger
Trigger a custom event.
Returns: this
An instance of the component itself
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
event | string | ComponentEvent | The name of the custom event to be triggered or an instance of the ComponentEvent | ||
params | Array<any> | $ts:... | Event data to be sent when triggering a custom event |
import Component, { ComponentEvent } from "@egjs/component";
class Some extends Component<{
beforeHi: ComponentEvent<{ foo: number; bar: string }>;
hi: { foo: { a: number; b: boolean } };
someEvent: (foo: number, bar: string) => void;
someOtherEvent: void; // When there's no event argument
}> {
some(){
if(this.trigger("beforeHi")){ // When event call to stop return false.
this.trigger("hi");// fire hi event.
}
}
}
const some = new Some();
some.on("beforeHi", e => {
if(condition){
e.stop(); // When event call to stop, `hi` event not call.
}
// `currentTarget` is component instance.
console.log(some === e.currentTarget); // true
typeof e.foo; // number
typeof e.bar; // string
});
some.on("hi", e => {
typeof e.foo.b; // boolean
});
// If you want to more know event design. You can see article.
// https://github.com/naver/egjs-component/wiki/How-to-make-Component-event-design%3F
once
Executed event just one time.
Returns: this
An instance of the component itself
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
eventName | string | $ts:... | The name of the event to be attached or an event name - event handler mapped object. | ||
handlerToAttach | function | $ts:... | ✔️ | The handler function of the event to be attached |
import Component, { ComponentEvent } from "@egjs/component";
class Some extends Component<{
hi: ComponentEvent;
}> {
hi() {
alert("hi");
}
thing() {
this.once("hi", this.hi);
}
}
var some = new Some();
some.thing();
some.trigger(new ComponentEvent("hi"));
// fire alert("hi");
some.trigger(new ComponentEvent("hi"));
// Nothing happens
hasOn
Checks whether an event has been attached to a component.
Returns: boolean
Indicates whether the event is attached.
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
eventName | string | The name of the event to be attached |
import Component from "@egjs/component";
class Some extends Component<{
hi: void;
}> {
some() {
this.hasOn("hi");// check hi event.
}
}
on
Attaches an event to a component.
Returns: this
An instance of a component itself
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
eventName | string | $ts:... | The name of the event to be attached or an event name - event handler mapped object. | ||
handlerToAttach | function | $ts:... | ✔️ | The handler function of the event to be attached |
import Component, { ComponentEvent } from "@egjs/component";
class Some extends Component<{
hi: void;
}> {
hi() {
console.log("hi");
}
some() {
this.on("hi",this.hi); //attach event
}
}
off
Detaches an event from the component.
If the eventName
is not given this will detach all event handlers attached.
If the handlerToDetach
is not given, this will detach all event handlers for eventName
.
Returns: this
An instance of a component itself
PARAMETER | TYPE | OPTIONAL | DEFAULT | DESCRIPTION |
---|---|---|---|---|
eventName | string | $ts:... | ✔️ | The name of the event to be detached | |
handlerToDetach | function | $ts:... | ✔️ | The handler function of the event to be detached |
import Component, { ComponentEvent } from "@egjs/component";
class Some extends Component<{
hi: void;
}> {
hi() {
console.log("hi");
}
some() {
this.off("hi",this.hi); //detach event
}
}
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 |