正在创建工具栏,就像Stack Overflow Like This Am Creating请走下去,你会看到Pagination.Now Am堆叠在如何处理futhure之间。 我创建了4个按钮,分别是当前页面,下一页,第二页和最后一页。 现在我想创建下一个按钮点击2页相同。当我点击2页(即第二个按钮 然后我想创建3,4,按钮..同样的方式,如果我点击6比我想创建下两个按钮和上一个按钮将看到上面的链接。
我的代码在这里:
Ext.define('Ext.bug.Newtoolbar', {
extend: 'Ext.toolbar.Toolbar',
alternateClassName: 'NewToolbar',
requires: ['Ext.toolbar.TextItem', 'Ext.button'],
mixins: {
bindable: 'Ext.util.Bindable'
},
autoDestroy: false,
displayInfo: false,
displayMsg: 'Displaying {0} - {1} of {2}',
emptyMsg: 'No data to display',
initComponent: function () {
var me = this,
pagingItems = me.addBtn(),
userItems = me.items || me.buttons || [];
if (me.prependButtons) {
me.items = userItems.concat(pagingItems);
} else {
me.items = pagingItems.concat(userItems);
}
//delete me.buttons;
if (me.displayInfo) {
me.items.push('->');
me.items.push({ xtype: 'tbtext', itemId: 'displayItem' });
}
me.callParent();
me.addEvents('change', 'beforechange');
me.on('beforerender', me.onLoad, me, { single: true });
me.bind(me.store || 'ext-empty-store', true);
},
// update here info...
updateInfo: function () {
var me = this,
displayItem = me.child('#displayItem'),
store = me.store,
pageData = me.getPageData(),
count, msg;
if (displayItem) {
count = store.getCount();
if (count === 0) {
msg = me.emptyMsg;
} else {
msg = Ext.String.format(
me.displayMsg,
pageData.fromRecord,
pageData.toRecord,
pageData.total
);
}
displayItem.setText(msg);
}
},
onLoad: function () {
var me = this,
pageData,
currPage,
pageCount,
afterText,
count,
isEmpty,
item;
count = me.store.getCount();
isEmpty = count === 0;
if (!isEmpty) {
pageData = me.getPageData();
currPage = pageData.currentPage;
pageCount = pageData.pageCount;
} else {
currPage = 0;
pageCount = 0;
}
Ext.suspendLayouts();
me.updateInfo();
me.updateLayout();
Ext.resumeLayouts(true);
if (me.rendered) {
me.fireEvent('change', me, pageData);
console.log('asd');
};
},
addBtn: function () {
var OnloadArray = [];
var me = this,
PageData,
currntPage,
PageCount;
PageData = me.getPageData();
currntPage = PageData.currentPage;
PageCount = PageData.pageCount;
for (var temp = 0; temp <= currntPage + 1; temp++) {
if (temp != 0) {
OnloadArray.push({
xtype: 'button',
itemId: temp,
scope: me,
text: temp,
enableToggle: true,
toggleGroup: me,
handler: me.btnHandler
});
}
};
OnloadArray.push({
xtype: 'tbtext',
scope: me,
text: '..........',
itemId: currntPage + 2
});
OnloadArray.push({
xtype: 'button',
itemId: PageCount - 1,
scope: me,
text: PageCount - 1,
enableToggle: true,
toggleGroup: me,
handler: me.btnHandler
});
OnloadArray.push({
xtype: 'button',
itemId: PageCount,
scope: me,
text: PageCount,
enableToggle: true,
toggleGroup: me,
handler: me.btnHandler
});
return OnloadArray;
},
getPageData: function () {
var store = this.store,
totalCount = store.getTotalCount();
return {
total: totalCount,
currentPage: store.currentPage,
pageCount: Math.ceil(totalCount / store.pageSize),
fromRecord: ((store.currentPage - 1) * store.pageSize) + 1,
toRecord: Math.min(store.currentPage * store.pageSize, totalCount)
};
}
});
请帮帮我
谢谢