This hook is triggered before the detail page header component is rendered. Execute extra business actions before rendering the object detail header component, including but not limited to the following capabilities:

• Component data

Parameters

Parameter	Description	Type	Allowed Values	Default
Common parameters	See details	--	--	--

Return Value

Parameter	Description	Type	Allowed Values	Default
buttons	Object operation buttons (example)	Object	--
component	Component (example)	Object	--

Basic Example

Basic Usage:

export default class Plugin {
    apply() {
        return [{
            event: 'detail.head_info.render.before',
            functional: this.renderBefore.bind(this)
        }]
    }
    renderBefore(context, plugin) {
        return Promise.resolve();
    }
}

Custom Buttons

export default class Plugin {
    apply() {
        return [{
            event: 'detail.head_info.render.before',
            functional: this.renderBefore.bind(this)
        }]
    }
    renderBefore(context, plugin) {
        return Promise.resolve({
            buttons: {
                del: ['ChangeOwner'],
                add: [{
                    action: 'cancel',
                    label: 'Cancel 11',
                    callback(context) {
                        alert('Cancel 11');
                    }
                }],
                reset: [{
                    action: 'Edit',
                    label: 'Edit from Detail Page'
                }, {
                    action: 'Clone',
                    label: 'Duplicate Clone',
                    callback() {
                        alert('Duplicate plugin');
                    }
                }]
            }
        });
    }
}

Component

export default class Plugin {
    apply() {
        return [{
            event: 'detail.head_info.render.before',
            functional: this.renderBefore.bind(this)
        }]
    }
    renderBefore(context, plugin) {
        return Promise.resolve({
            component: { ...context.component }
        });
    }
}

Notes

1. Refreshing the detail page will also trigger this hook