Odoo POS自定义模块调用orderline_remove函数及获取line参数方案咨询

Got it, let's break this down for you! The core issue here is figuring out how to grab the Orderline instance that your orderline_remove function needs—this depends on when you want to trigger the function. Here are two common scenarios with working code examples:

Scenario 1: Trigger remove when clicking an order line (add a custom delete action) #

If you want to let users click an order line to remove it, you can bind a click event to the order line DOM elements and fetch the corresponding line instance from the current order:

screens.OrderWidget.include({
    renderElement: function(){
        this._super();
        var self = this;
        
        // Bind a click event to each order line (adjust selector for your Odoo version)
        this.$el.find('.order-line').off('click.remove-line').on('click.remove-line', function(){
            // Get the line ID from the DOM element's dataset
            var lineId = $(this).data('id');
            // Fetch the matching Orderline instance from the current order
            var targetLine = self.pos.get_order().get_orderline(lineId);
            
            if(targetLine){
                self.orderline_remove(targetLine);
            }
        });
    },
    
    // Define your orderline_remove function in the extended widget
    orderline_remove: function(line){ 
        this.remove_orderline(line); 
        this.numpad_state.reset(); 
        this.update_summary(); 
    }
});

Scenario 2: Remove a specific line automatically (e.g., on widget render) #

If you need to remove a line programmatically when the widget loads (like cleaning up a default line), you can fetch lines directly from the current POS order:

screens.OrderWidget.include({
    renderElement: function(){
        this._super();
        var self = this;
        
        // Get all order lines from the current POS order
        var allOrderLines = self.pos.get_order().get_orderlines();
        
        // Example: Remove the first order line (adjust filtering to match your needs)
        if(allOrderLines.length > 0){
            var lineToRemove = allOrderLines[0];
            self.orderline_remove(lineToRemove);
        }
    },
    
    orderline_remove: function(line){ 
        this.remove_orderline(line); 
        this.numpad_state.reset(); 
        this.update_summary(); 
    }
});

Key Notes to Keep in Mind: #

• DOM Selector Adjustment: Depending on your Odoo version, the order line CSS class might differ (e.g., .pos-order-line instead of .order-line). Inspect the POS UI to confirm the correct selector.
• Event Cleanup: Use .off('click.remove-line') before binding the click event to avoid duplicate event listeners if the widget re-renders multiple times.
• Order Instance Access: self.pos.get_order() always gives you the active POS order, which is where all order lines are stored.

内容的提问来源于stack exchange，提问作者user_odoo