/**
 * DevExtreme (esm/ui/splitter_control.js)
 * Version: 24.1.7-build-24272-1937
 * Build date: Sat Sep 28 2024
 *
 * Copyright (c) 2012 - 2024 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */
import $ from "../core/renderer";
import Widget from "./widget/ui.widget";
import domAdapter from "../core/dom_adapter";
import eventsEngine from "../events/core/events_engine";
import pointerEvents from "../events/pointer";
import {
    getWindow
} from "../core/utils/window";
import {
    addNamespace
} from "../events/utils/index";
import Guid from "../core/guid";
const window = getWindow();
const SPLITTER_CLASS = "dx-splitter-bar";
const SPLITTER_WRAPPER_CLASS = "dx-splitter-wrapper";
const SPLITTER_INACTIVE_CLASS = "dx-splitter-inactive";
const SPLITTER_BORDER_CLASS = "dx-splitter-border";
const SPLITTER_INITIAL_STATE_CLASS = "dx-splitter-initial";
const STATE_DISABLED_CLASS = "dx-state-disabled";
const SPLITTER_MODULE_NAMESPACE = "dxSplitterResizing";
export default class SplitterControl extends Widget {
    _init() {
        super._init();
        const eventGuid = (new Guid).toString();
        this.SPLITTER_POINTER_DOWN_EVENT_NAME = addNamespace(pointerEvents.down, "dxSplitterResizing" + eventGuid);
        this.SPLITTER_POINTER_MOVE_EVENT_NAME = addNamespace(pointerEvents.move, "dxSplitterResizing" + eventGuid);
        this.SPLITTER_POINTER_UP_EVENT_NAME = addNamespace(pointerEvents.up, "dxSplitterResizing" + eventGuid)
    }
    _initMarkup() {
        super._initMarkup();
        this._initActions();
        this._$container = this.option("container");
        this._$leftElement = this.option("leftElement");
        this._$rightElement = this.option("rightElement");
        this.$element().addClass("dx-splitter-wrapper").addClass("dx-splitter-initial");
        this._$splitterBorder = $("<div>").addClass("dx-splitter-border").appendTo(this.$element());
        this._$splitter = $("<div>").addClass(SPLITTER_CLASS).addClass("dx-splitter-inactive").appendTo(this._$splitterBorder)
    }
    _initActions() {
        this._actions = {
            onApplyPanelSize: this._createActionByOption("onApplyPanelSize"),
            onActiveStateChanged: this._createActionByOption("onActiveStateChanged")
        }
    }
    _render() {
        super._render();
        this._detachEventHandlers();
        this._attachEventHandlers()
    }
    _clean() {
        this._detachEventHandlers();
        super._clean()
    }
    _attachEventHandlers() {
        const document = domAdapter.getDocument();
        eventsEngine.on(this._$splitterBorder, this.SPLITTER_POINTER_DOWN_EVENT_NAME, this._onMouseDownHandler.bind(this));
        eventsEngine.on(document, this.SPLITTER_POINTER_MOVE_EVENT_NAME, this._onMouseMoveHandler.bind(this));
        eventsEngine.on(document, this.SPLITTER_POINTER_UP_EVENT_NAME, this._onMouseUpHandler.bind(this))
    }
    _detachEventHandlers() {
        const document = domAdapter.getDocument();
        eventsEngine.off(this._$splitterBorder, this.SPLITTER_POINTER_DOWN_EVENT_NAME);
        eventsEngine.off(document, this.SPLITTER_POINTER_MOVE_EVENT_NAME);
        eventsEngine.off(document, this.SPLITTER_POINTER_UP_EVENT_NAME)
    }
    _dimensionChanged(dimension) {
        if (!dimension || "height" !== dimension) {
            this._containerWidth = this._$container.get(0).clientWidth;
            this._setSplitterPositionLeft({
                needUpdatePanels: true,
                usePercentagePanelsWidth: true
            })
        }
    }
    _onMouseDownHandler(e) {
        e.preventDefault();
        this._offsetX = e.pageX - this._$splitterBorder.offset().left <= this._getSplitterBorderWidth() ? e.pageX - this._$splitterBorder.offset().left : 0;
        this._containerWidth = this._$container.get(0).clientWidth;
        this.$element().removeClass("dx-splitter-initial");
        this._toggleActive(true);
        this._setSplitterPositionLeft({
            needUpdatePanels: true
        })
    }
    _onMouseMoveHandler(e) {
        if (!this._isSplitterActive) {
            return
        }
        this._setSplitterPositionLeft({
            splitterPositionLeft: this._getNewSplitterPositionLeft(e),
            needUpdatePanels: true
        })
    }
    _onMouseUpHandler() {
        if (!this._isSplitterActive) {
            return
        }
        this._leftPanelPercentageWidth = null;
        this._toggleActive(false);
        this._setSplitterPositionLeft({
            needUpdatePanels: true,
            usePercentagePanelsWidth: true
        })
    }
    _getNewSplitterPositionLeft(e) {
        let newSplitterPositionLeft = e.pageX - this._getContainerLeftOffset() - this._offsetX;
        newSplitterPositionLeft = Math.max(0 - this._getSplitterOffset(), newSplitterPositionLeft);
        newSplitterPositionLeft = Math.min(this._containerWidth - this._getSplitterOffset() - this._getSplitterWidth(), newSplitterPositionLeft);
        return newSplitterPositionLeft
    }
    _getContainerLeftOffset() {
        let offsetLeft = this._$container.offset().left;
        if (window) {
            const style = window.getComputedStyle(this._$container.get(0));
            const paddingLeft = parseFloat(style.paddingLeft) || 0;
            const borderLeft = parseFloat(style.borderLeftWidth) || 0;
            offsetLeft += paddingLeft + borderLeft
        }
        return offsetLeft
    }
    _getSplitterOffset() {
        return (this._getSplitterBorderWidth() - this._getSplitterWidth()) / 2
    }
    _getSplitterWidth() {
        return this._$splitter.get(0).clientWidth
    }
    _getSplitterBorderWidth() {
        return this._$splitterBorder.get(0).clientWidth
    }
    _getLeftPanelWidth() {
        return this._$leftElement.get(0).clientWidth
    }
    getSplitterBorderElement() {
        return this._$splitterBorder
    }
    _toggleActive(isActive) {
        this.$element().toggleClass("dx-splitter-inactive", !isActive);
        this._$splitter.toggleClass("dx-splitter-inactive", !isActive);
        this._isSplitterActive = isActive;
        this._actions.onActiveStateChanged({
            isActive: isActive
        })
    }
    toggleDisabled(isDisabled) {
        this.$element().toggleClass("dx-state-disabled", isDisabled);
        this._$splitter.toggleClass("dx-state-disabled", isDisabled)
    }
    isSplitterMoved() {
        return !this.$element().hasClass("dx-splitter-initial")
    }
    disableSplitterCalculation(value) {
        this._isSplitterCalculationDisabled = value
    }
    _setSplitterPositionLeft() {
        let {
            splitterPositionLeft: splitterPositionLeft = null,
            needUpdatePanels: needUpdatePanels = false,
            usePercentagePanelsWidth: usePercentagePanelsWidth = false
        } = arguments.length > 0 && void 0 !== arguments[0] ? arguments[0] : {};
        splitterPositionLeft = splitterPositionLeft || this._getLeftPanelWidth() - this._getSplitterOffset();
        const leftPanelWidth = splitterPositionLeft + this._getSplitterOffset();
        const rightPanelWidth = this._containerWidth - leftPanelWidth;
        if (!this._isSplitterCalculationDisabled) {
            this.$element().css("left", splitterPositionLeft)
        }
        this._leftPanelPercentageWidth = this._leftPanelPercentageWidth || this._convertToPercentage(leftPanelWidth);
        const rightPanelPercentageWidth = this._convertToPercentage(this._containerWidth - this._convertToPixels(this._leftPanelPercentageWidth));
        if (!needUpdatePanels) {
            return
        }
        this._actions.onApplyPanelSize({
            leftPanelWidth: usePercentagePanelsWidth ? `${this._leftPanelPercentageWidth}%` : leftPanelWidth,
            rightPanelWidth: usePercentagePanelsWidth ? `${rightPanelPercentageWidth}%` : rightPanelWidth
        })
    }
    _optionChanged(args) {
        switch (args.name) {
            case "initialLeftPanelWidth":
                this._leftPanelPercentageWidth = this._convertToPercentage(args.value);
                this._dimensionChanged();
                break;
            case "leftElement":
                this.repaint();
                break;
            case "onActiveStateChanged":
            case "onApplyPanelSize":
                this._actions[args.name] = this._createActionByOption(args.name);
                break;
            default:
                super._optionChanged(args)
        }
    }
    _convertToPercentage(pixelWidth) {
        return pixelWidth / this._$container.get(0).clientWidth * 100
    }
    _convertToPixels(percentageWidth) {
        return percentageWidth / 100 * this._$container.get(0).clientWidth
    }
}
