Ext.define('school.view.basic.class.ClassInfoController', {
    extend: 'Ext.app.ViewController',
    alias: 'controller.basic-class-classinfo',

    onItemMouseEnter: function(tree, record, item, index, e, eOpts)  {
        var icons = item.getElementsByClassName('action-icon');
        if(record.data.leaf) {
            icons[1].classList.remove('x-hidden');
            return;
        }

        if(record.data.id == 'root') {
            icons[0].classList.remove('x-hidden');
            return;
        }

        icons[0].classList.remove('x-hidden');
        icons[1].classList.remove('x-hidden');
    },

    onItemMouseLeave: function(tree, record, item, index, e, eOpts) {
        var icons = item.getElementsByClassName('action-icon');

        for(var x = 0; x < icons.length; x++) {
            icons[x].classList.add('x-hidden');
        }
    },

    onItemclick: function(tree, record, item, index, e, eOpts) {
        var me = this,
        refs = me.getReferences(),
        listCard = refs.listcard;

        listCard.showNode(record);

    },

    onToggleTree: function() {
        var me = this,
        viewModel = me.getViewModel(),
        refs = me.getReferences(),
        treeList = refs.treelist,
        nwidth,
        nToggleIconCls;

        if(treeList.nowidth) {
            treeList.nowidth = false;
            nwidth = treeList.owidth;
            nToggleIconCls = 'sa-arrows-left'
        }else {
            treeList.nowidth = true;
            treeList.owidth = treeList.getBox().width;
            nwidth = 0;
            nToggleIconCls = 'sa-arrows-right'
        }

        viewModel.set('toggleIconCls', nToggleIconCls);
        viewModel.set('treeWidth', nwidth);
    },

    onTreeUp: function() {
        var me = this,
        viewModel = me.getViewModel(),
        refs = me.getReferences(),
        treeList = refs.treelist,
        listCard = refs.listcard,
        currentNodeData = viewModel.get('currentNodeData'),
        rootNode = treeList.getRootNode(),
        currentNode = rootNode.findChild('id', currentNodeData.id, true);

        if(!!currentNode.parentNode) {
            treeList.setSelection(currentNode.parentNode);
            listCard.showNode(currentNode.parentNode);
        }
    },

    onTreeAddClick: function(tree, row, col, item, e, eOpts, tr) {
        var me = this,
        store = tree.store,
        record = store.getAt(row);

        me.showTreeAddWin(record.data);

    },

    onTreeDeleteClick: function(tree, row, col, item, e, eOpts, tr) {
        var me = this,
        refs = me.getReferences(),
        listCard = refs.listcard,
        treeList = refs.treelist,
        store = treeList.store,
        record = store.getAt(row),
        rootNode = treeList.getRootNode(),
        id = record.data.id,
        currentNode = rootNode.findChild('id', id, true),
        parentNode = currentNode.parentNode;

        treeList.setSelection(parentNode);
        currentNode.remove();
        
        listCard.showNode(parentNode);
    },

    showTreeAddWin: function(data) {
        var me = this,
        view = me.getView(),
        refs = me.getReferences(),
        treeList = refs.treelist,
        listCard = refs.listcard,
        win = refs.treeaddwin,
        id = data.id,
        type = data.type;

        var title = type == 'school' ? '新增年级' : '新增班级';
        var sumType = type == 'school' ? 'grade' : 'class';
        if(!win) {
            win = Ext.create('Ext.window.Window', {
                width: 300,
                height: 180,
                renderTo: Ext.getBody(),
                references: 'treeaddwin',
                modal: true,
                bodyPadding: 10,
                layout: 'fit',
                items: [{
                    xtype: 'form',
                    layout: 'column',
                    defaults: {
                        columnWidth: 1
                    },
                    items: [{
                        xtype: 'textfield',
                        name: 'text',
                        emptyText: '名称',
                        allowBlank: false
                    }],
                    buttonAlign: 'center',
                    buttons: [{
                        text: '确定',
                        formBind: true,
                        handler: function() {
                            var form = this.up('form');
                            var text = form.getValues().text;
                            var rootNode = treeList.getRootNode();
                            var currentNode;
                            var childNode = {
                                text: text,
                                type: sumType
                            };
                            if(id == 'root') {
                                currentNode = rootNode;
                                childNode.leaf = false;
                                childNode.children = [];
                            }else {
                                currentNode = rootNode.findChild('id', id, true);
                                childNode.leaf = true;
                            }
                            
                            currentNode.appendChild(childNode);
                            listCard.showNode(currentNode);
                            win.close();
                        }
                    }]
                }]
            });
            view.add(win);
        }
        win.setTitle(title);
        win.show();
    },

});