package flintstones.helper.html;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map.Entry;
import org.eclipse.swt.SWT;
import org.eclipse.swt.browser.Browser;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
import org.osgi.framework.FrameworkUtil;
import flintstones.helper.FileHelper;
import flintstones.helper.html.tags.Body;
import flintstones.helper.html.tags.Div;
import flintstones.helper.html.tags.HtmlTag;
/**
* The Class HtmlWidget.
*/
public abstract class HtmlWidget {
/** The base. */
Composite base;
/** The browser. */
protected Browser browser;
protected HtmlTag disabled = new Div();
protected HtmlTag body = new Body();
boolean debug = false;
boolean isDisabled = false;
private HashMap> userCss = new HashMap<>();
/**
* Instantiates a new html widget.
*
* @param base the base
*/
public HtmlWidget(Composite base) {
this.base = base;
// If the composite to draw had an HtmlWidget, it just delete it so this new
// widget will replace it.
// It the composite have any other item, exception.
if (base.getChildren().length > 0) {
Arrays.stream(base.getChildren()).forEach(k -> {
if (k instanceof Browser) {
k.dispose();
} else {
throw new RuntimeException("Composite must have a HTMLWidget or be empty");
}
});
}
base.setLayout(new FillLayout());
browser = new Browser(base, SWT.NONE);
browser.setText("");
base.layout();
body.add(disabled);
}
/**
* Render.
*/
public void render() {
StringBuilder sb = new StringBuilder();
sb.append("");
sb.append(getResult());
// Style
sb.append("");
// Script
sb.append("");
sb.append("");
browser.setText(sb.toString());
}
/**
* Gets the result.
*
* @return the result
*/
protected abstract String getResult();
/**
* Gets the style.
*
* @return the style
*/
protected String getStyle() {
return "";
};
/**
* Gets the script.
*
* @return the script
*/
String getScript() {
return "";
};
/**
* Gets the base style.
*
* @return the base style
*/
private String getBaseStyle() {
return FileHelper.readFile("./assets/css/widget.css", FrameworkUtil.getBundle(getClass()));
}
private String getBaseScript() {
if (!debug)
return "";
return FileHelper.readFile("./assets/js/debug.js", FrameworkUtil.getBundle(getClass()));
}
/**
* Gets the parent.
*
* @return the parent
*/
public Composite getParent() {
return base;
}
public void setCss(String selector, String key, String value) {
HashMap selectorMap = userCss.get(selector);
if (selectorMap == null)
selectorMap = new HashMap<>();
selectorMap.put(key, value);
userCss.put(selector, selectorMap);
}
private String getUserStyle() {
StringBuilder sb = new StringBuilder();
for (Entry> selectorEntry : userCss.entrySet()) {
String selector = selectorEntry.getKey();
sb.append(selector);
sb.append("{ ");
for (Entry propertyEntry : selectorEntry.getValue().entrySet()) {
String key = propertyEntry.getKey();
String val = propertyEntry.getValue();
sb.append(key);
sb.append(":");
sb.append(val);
sb.append(";");
}
sb.append("}");
}
return sb.toString();
}
public Browser getBrowser() {
return browser;
}
public void setEnabled(boolean isEnabled) {
if (isEnabled)
disabled.deleteClass("disabled");
else
disabled.addClass("disabled");
render();
}
}