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当前组件版编辑器支持用户选择纸张类型,但是如果要自定义纸张的宽高,目前没有提供对应的UI界面。页面设置对话框中也无法设置。
先来看一下UI具体的效果:
1. 添加一个对话框模板template
对话框模板定义了对话框中的元素。可以看到里面添加了2个NumberEditor,并且bindingPath分别为width和height,用于绑定宽高变量。
var CustomPaperSizeTemplate = {
templateName: "CustomPaperSizeTemplate",
title: "设置自定义纸张尺寸",
width: 300,
height: 200,
content: [
{
type: "FlexContainer",
children: [
{
type: "TextBlock",
text: "设置纸张自定义宽高",
margin: "5px 10px",
},
{
type: "Column",
width: "auto",
children: [
{
type: "ColumnSet",
children: [
{
type: "Column",
width: "50px",
children: [
{
type: "TextBlock",
margin: "5px 10px -5px 10px",
text: "宽:",
},
],
},
{
type: "Column",
width: "auto",
children: [
{
type: "NumberEditor",
bindingPath: "width",
margin: "5px 10px",
},
],
},
],
},
{
type: "ColumnSet",
width: "160px",
children: [
{
type: "Column",
width: "50px",
children: [
{
type: "TextBlock",
margin: "5px 10px",
text: "高:",
},
],
},
{
type: "Column",
width: "auto",
children: [
{
type: "NumberEditor",
bindingPath: "height",
margin: "5px 10px",
},
],
},
],
},
],
},
],
},
],
};
2. 新建一个命令,用于弹出对话框
这段代码新建了一个命令,通过调用showDialog方法,传入了宽高参数,弹出刚刚创建的对话框,并且在对话框确认关闭后拿到修改的数据来进行应用。
var paperSizeDialog = {
title: "自定义纸张尺寸",
text: "自定义纸张尺寸",
direction: "horizontal",
commandName: "cmdPaperSizeDialog",
iconClass: "ribbon-button-pageSetup-size",
bigButton: true,
type: "button", // 单击按钮命令时,将调用执行函数。
execute: (context, propertyName) => {
var custompapersize = designer.getData("custompapersize");
GC.Spread.Sheets.Designer.showDialog(
"CustomPaperSize",
{
width: custompapersize.width,
height: custompapersize.height,
},
(result) => {
console.log(result);
let { width, height } = result; // 结果的数据结构.
designer.setData("custompapersize", {
width: width,
height: height,
});
let spread = context.getWorkbook();
let sheet = spread.getActiveSheet();
sheet
.printInfo()
.paperSize(new GC.Spread.Sheets.Print.PaperSize(width, height));
},
(e) => {
// 错误回调
console.log(e);
},
(result) => {
// 有效回调,用于检查结果值是否有效。如果没有,对话框将无法关闭。
return result;
}
);
},
};
3. 应用上述模板和命令到编辑器中
function adddlg(config) {
config.commandMap = {};
GC.Spread.Sheets.Designer.registerTemplate(
"CustomPaperSize",
CustomPaperSizeTemplate
);
var config = GC.Spread.Sheets.Designer.ToolBarModeConfig;
config.commandMap["cmdPaperSizeDialog"] = paperSizeDialog;
var command = {
text: "纸张尺寸",
id: "time",
buttonGroups: [
{
commandGroup: {
children: ["cmdPaperSizeDialog"],
},
},
],
};
config.ribbon.panels[2].buttonGroups[0].commandGroup.children.splice(
4,
0,
"cmdPaperSizeDialog"
);
}
config = GC.Spread.Sheets.Designer.ToolBarModeConfig;
designer.setData("custompapersize", {
width: 50,
height: 50,
});
adddlg(config);
designer.setConfig(config);
designer.refresh();
4. 处理页面设置对话框重置纸张宽高的问题
由于编辑器本身不支持自定义纸张尺寸,所以页面设置对话框在关闭时会把sheet的自定义纸张宽高重置为0,需要监听这个操作来避免此问题。
spread = designer.getWorkbook();
spread.commandManager().addListener("", function (args) {
var command = args.command;
if (command.cmd == "Designer.setPageLayout" && command.paperKind == 0) {
var custompapersize = designer.getData("custompapersize");
spread
.getActiveSheet()
.printInfo()
.paperSize(
new GC.Spread.Sheets.Print.PaperSize(
custompapersize.width,
custompapersize.height
)
);
}
});
最后,例行附上此示例的项目代码。custompapersize.zip
作者: Richard.Ma | 审核:Lynn.Dou | 更新时间:2023.12.28