# Xbutton component
Xbutton is the UIExtension button component. It can be used to customize icon, define whether to show text, whether to disable/enable button, etc.
# Code examples
Simple xbutton example:
<html> <template id="layout-template"> <webpdf> <div> <xbutton>simple button(character data)</xbutton> <xbutton text="simple button(text property)"></xbutton> </div> <div class="fv__ui-body"> <viewer></viewer> </div> </webpdf> </template> </html> <script> var CustomAppearance = UIExtension.appearances.Appearance.extend({ getLayoutTemplate: function() { return document.getElementById('layout-template').innerHTML; }, disableAll: function(){} }); var libPath = window.top.location.origin + '/lib'; var pdfui = new UIExtension.PDFUI({ viewerOptions: { libPath: libPath, jr: { licenseSN: licenseSN, licenseKey: licenseKey } }, renderTo: document.body, appearance: CustomAppearance, addons: [] }); </script>Force to show text in built-in toolbar component
<html> <template id="layout-template"> <webpdf> <toolbar> <xbutton class="fv__ui-toolbar-show-text-button">Force to show text</xbutton> <xbutton icon-class="fv__icon-toolbar-hand">Text will be hidden</xbutton> </toolbar> <viewer></viewer> </webpdf> </template> </html> <script> var CustomAppearance = UIExtension.appearances.Appearance.extend({ getLayoutTemplate: function() { return document.getElementById('layout-template').innerHTML; }, disableAll: function(){} }); var libPath = window.top.location.origin + '/lib'; var pdfui = new UIExtension.PDFUI({ viewerOptions: { libPath: libPath, jr: { licenseSN: licenseSN, licenseKey: licenseKey } }, renderTo: document.body, appearance: CustomAppearance, addons: [] }); </script>Customize icon-class
<html> <template id="layout-template"> <webpdf> <div> <xbutton icon-class="fv__icon-toolbar-hand">button with icon</xbutton> <xbutton icon-class="custom-icon-css-class">button with custom icon</xbutton> </div> <viewer></viewer> </webpdf> </template> </html> <script> var CustomAppearance = UIExtension.appearances.Appearance.extend({ getLayoutTemplate: function() { return document.getElementById('layout-template').innerHTML; }, disableAll: function(){} }); var libPath = window.top.location.origin + '/lib'; var pdfui = new UIExtension.PDFUI({ viewerOptions: { libPath: libPath, jr: { licenseSN: licenseSN, licenseKey: licenseKey } }, renderTo: document.body, appearance: CustomAppearance, addons: [] }); </script> <style> .custom-icon-css-class { background-repeat: no-repeat; background-position: center; background-image: url(data:image/png;charset=utf-8;base64,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); } </style>Disable button
<html> <template id="layout-template"> <webpdf> <div> <xbutton disabled="true">disabled button</xbutton> </div> <viewer></viewer> </webpdf> </template> </html> <script> var CustomAppearance = UIExtension.appearances.Appearance.extend({ getLayoutTemplate: function() { return document.getElementById('layout-template').innerHTML; }, disableAll: function(){} }); var libPath = window.top.location.origin + '/lib'; var pdfui = new UIExtension.PDFUI({ viewerOptions: { libPath: libPath, jr: { licenseSN: licenseSN, licenseKey: licenseKey } }, renderTo: document.body, appearance: CustomAppearance, addons: [] }); </script>Click event handler
<html> <template id="layout-template"> <webpdf> <div> <xbutton name="alert-btn">Click Me!</xbutton> </div> <viewer></viewer> </webpdf> </template> </html> <script> var CustomAppearance = UIExtension.appearances.Appearance.extend({ getLayoutTemplate: function() { return document.getElementById('layout-template').innerHTML; }, getDefaultFragments: function() { return [{ target: 'alert-btn', config: { callback: function() { alert('click button!'); } } }]; }, disableAll: function(){} }); var libPath = window.top.location.origin + '/lib'; var pdfui = new UIExtension.PDFUI({ viewerOptions: { libPath: libPath, jr: { licenseSN: licenseSN, licenseKey: licenseKey } }, renderTo: document.body, appearance: CustomAppearance, addons: [] }); </script>Use controller to handle click event
<html> <template id="layout-template"> <webpdf> <div> <xbutton name="alert-btn">Click Me!</xbutton> </div> <viewer></viewer> </webpdf> </template> </html> <script> var CustomAppearance = UIExtension.appearances.Appearance.extend({ getLayoutTemplate: function() { return document.getElementById('layout-template').innerHTML; }, getDefaultFragments: function() { return [{ target: 'alert-btn', config: { callback: UIExtension.controllers.Controller.extend({ handle: function() { alert("Click button!"); } }) } }]; }, disableAll: function(){} }); var libPath = window.top.location.origin + '/lib'; var pdfui = new UIExtension.PDFUI({ viewerOptions: { libPath: libPath, jr: { licenseSN: licenseSN, licenseKey: licenseKey } }, renderTo: document.body, appearance: CustomAppearance, addons: [] }); </script>Use controller directive
<html> <template id="layout-template"> <webpdf> <div> <xbutton name="alert-btn" @controller="custom-module:ClickButtonController">Click Me!</xbutton> </div> <viewer></viewer> </webpdf> </template> </html> <script> var module = UIExtension.PDFUI.module('custom-module', []); module.controller('ClickButtonController', { handle: function() { alert("Click button!"); } }); var CustomAppearance = UIExtension.appearances.Appearance.extend({ getLayoutTemplate: function() { return document.getElementById('layout-template').innerHTML; }, disableAll: function(){} }); var libPath = window.top.location.origin + '/lib'; var pdfui = new UIExtension.PDFUI({ viewerOptions: { libPath: libPath, jr: { licenseSN: licenseSN, licenseKey: licenseKey } }, renderTo: document.body, appearance: CustomAppearance, addons: [] }); </script>
# API
# Xbutton object properties
| Properties | Description | Type |
|---|---|---|
| disabled | Button disabled status | boolean |
| isVisible | Button visibility status | boolean |
# Methods
| Method | Description | Version |
|---|---|---|
| setText(text: String): void | Set button text. It supports I18n entry. | 7.0 |
| setIconCls(cssClass: String): void | Set icon's css-class of a button | 7.0 |
| disable(): void | Disable button. The disabled button will not respond to the click event | 7.0 |
| enable(): void | Enable button. The enabled button will respond to the click event | 7.0 |
| show(): void | Show the hidden button | 7.0 |
| hide(): void | Hide the button | 7.0 |
| destroy(): void | Destroy the button component | 7.0 |
# Events
| Name | Description | Sample | Version |
|---|---|---|---|
| click | Click button to trigger | button.on('click', () => {}) | 7.0 |