mframejs/dist/esm/view/viewController.js

simple framework

export class ViewController {
    constructor(htmlNode, viewController) {
        this.htmlNode = htmlNode;
        this.viewController = viewController;
        this.count = 0;
        if (viewController) {
            this.viewController.addChildView(this);
        }
    }
    searchForInstance(_customElement) {
        for (const k in this.items) {
            if (this.items && this.items[k]) {
                if (this.items[k].classInstance) {
                    if (this.items[k].classInstance instanceof _customElement) {
                        return this.items[k].classInstance;
                    }
                }
            }
        }
        if (this.viewController) {
            const y = this.viewController.searchForInstance(_customElement);
            if (y) {
                return y;
            }
        }
        return null;
    }
    addElement(_class) {
        this.count++;
        if (!this.items) {
            this.items = {};
        }
        this.items['e' + this.count] = _class;
    }
    addAttribute(attibuteController) {
        this.count++;
        if (!this.items) {
            this.items = {};
        }
        this.items['a' + this.count] = attibuteController;
    }
    addInterpolate(interpolateController) {
        this.count++;
        if (!this.items) {
            this.items = {};
        }
        this.items['i' + this.count] = interpolateController;
    }
    getElement() {
        return this.htmlNode;
    }
    addChildView(viewController) {
        if (!this.childViewControllers) {
            this.childViewControllers = [];
        }
        this.childViewControllers.push(viewController);
    }
    removeChildView(viewController) {
        if (this.childViewControllers) {
            const i = this.childViewControllers.indexOf(viewController);
            if (i !== -1) {
                this.childViewControllers.splice(i, 1);
            }
        }
    }
    clearView() {
        if (this.childViewControllers) {
            while (this.childViewControllers.length) {
                const view = this.childViewControllers.pop();
                view.clearView();
            }
        }
        if (this.items) {
            for (const item in this.items) {
                if (this.items[item].detached) {
                    this.items[item].detached();
                    this.items[item] = null;
                }
            }
        }
        if (this.viewController) {
            this.viewController.removeChildView(this);
        }
        this.childViewControllers = null;
        this.items = null;
        this.htmlNode = null;
        this.viewController = null;
    }
}
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