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8JamesChu172.70.206.4833gkm54Jan 14, 2025 8:08:49 AMlinkresources
index.zulzul<zk>
<script><![CDATA[
zk.afterLoad('zkmax.barscanner', function() {
var xBarcodescanner = {};
zk.override(zkmax.barscanner.Barcodescanner, xBarcodescanner ,{
_quaggaInit: function (wgt, video, canvas, target) {
//zkmax.barscanner.Barcodescanner.quaggaApp.init(wgt);
var readerType = [],
reader = wgt._QUAGGAReader;
wgt.debug = false;
reader._ready = false;
readerType = zkmax.barscanner.Barcodescanner._quaggaTypeFilter(wgt); //Before quagga.init, the video status should be 4, so it has videoWidth and videoHeight attribute to set the
//size of canvas
new Promise(function (resolve, reject) {
var waitVideo = setInterval(function () {
zk.log(video.readyState);
if (video.readyState == 4) {
clearInterval(waitVideo);
resolve();
}
}, 50, wgt);
}).then(function () {
reader.init({
locate: true,
inputStream: {
name: 'Live',
type: 'LiveStream',
target: target,
// Or '#yourElement' (optional)
area: {
// defines rectangle of the detection/localization area
top: '0%',
// top offset
right: '0%',
// right offset
left: '0%',
// left offset
bottom: '0%' // bottom offset
}
},
frequency: 1000,
decoder: {
readers: readerType,
// List of active readers
debug: {
drawBoundingBox: false,
showFrequency: false,
drawScanline: false,
showPattern: false
},
multiple: false
},
locator: {
halfSample: false,
patchSize: 'medium',
// x-small, small, medium, large, x-large
debug: {
showCanvas: wgt.debug,
showPatches: wgt.debug,
showFoundPatches: wgt.debug,
showSkeleton: wgt.debug,
showLabels: wgt.debug,
showPatchLabels: wgt.debug,
showRemainingPatchLabels: wgt.debug,
boxFromPatches: {
showTransformed: wgt.debug,
showTransformedBox: wgt.debug,
showBB: wgt.debug
}
}
},
debug: wgt.debug
}, function (err) {
if (err) {
zk.error(err);
return;
}
reader.canvas = jq.extend(true, {}, zkmax.barscanner.quagga.canvas);
reader._ready = true;
reader._reset = true;
reader._consistencyBuffer = [];
});
});
}
});//zk.override
zkmax.barscanner.Barcodescanner._initLibrary()
});//zk.afterLoad
]]>
</script>
<window id="win" apply="pkg$.TestComposer">
<button onClick="bs.setEnable(false)" label="disable" />
<button onClick="bs.setEnable(true)" label="enable" />
<button id="deBtn" label="detach" />
<button id="atBtn" label="attach" />
<button id="addBtn" label="add new" />
<barcodescanner id="bs" width="300px" height="300px" onDetect='Clients.log(event.getType() + " " + event.getResult())'/>
</window>
</zk>
TestComposer.javajavaimport org.zkoss.zk.ui.*;
import org.zkoss.zk.ui.event.*;
import org.zkoss.zk.ui.util.*;
import org.zkoss.zk.ui.ext.*;
import org.zkoss.zk.ui.select.annotation.*;
import org.zkoss.zk.ui.select.SelectorComposer;
import org.zkoss.zk.au.*;
import org.zkoss.zk.au.out.*;
import org.zkoss.zkmax.zul.Barcodescanner;
import org.zkoss.zkmax.zul.event.DetectEvent;
import org.zkoss.zul.*;
public class TestComposer extends SelectorComposer {
@Wire
Barcodescanner bs;
@Wire
Window win;
public void doAfterCompose(Component comp) throws Exception {
super.doAfterCompose(comp);
}
@Listen("onClick=#deBtn")
public void doDetach() {
bs.detach();
}
@Listen("onClick=#atBtn")
public void doReattach() {
bs.setParent(win);
}
@Listen("onClick=#addBtn")
public void addScanner() {
Barcodescanner scanner = new Barcodescanner();
scanner.setType("CODE128");
scanner.setContinuous(true);
scanner.setInterval(1000);
scanner.setHeight("100px");
scanner.addEventListener("onDetect", new EventListener<DetectEvent>() {
public void onEvent(DetectEvent event) throws Exception {
Clients.log(event.getType() + " " + event.getResult());
}
});
win.appendChild(scanner);
}
}