Examples of com.smartgwt.client.widgets.HTMLFlow

com.smartgwt.client.widgets.HTMLFlow
Use the HTMLFlow component to display HTML content that should expand to its natural size without scrolling.
HTML content can be loaded and reloaded from a URL via the property contentsURL. This method of loading is for simple HTML content only; Smart GWT components should be loaded via the {@link com.smartgwt.client.widgets.ViewLoader}class.
NOTE: Since the size of an HTMLFlow component is determined by its HTML contents, this component will draw at varying sizes if given content of varying size. When using HTMLFlow components within a Layout, consider what will happen if the HTMLFlow renders at various sizes. An HTMLFlow which can expand should be placed in a container where other components can render smaller, where the container is allowed to scroll, or where there is padding to expand into.

    /**
     * generate a pane with the authors of this application
     * @return
     */
    private HTMLFlow aboutContent(){
        HTMLFlow htmlFlow = new HTMLFlow();
        htmlFlow.setWidth(230);
        htmlFlow.setStyleName("exampleTextBlock");
        String contents = "<hr/><h1 align=\"center\">"+constants.authors()+":  </h1><br/> <p align=\"center\"> " +
                "<b>Eduardo Rodrigo Contreras</b><br/><b>David Marchante Redondo</b><br/> <b>David Rosillo de Pablos</b><br/><b>José Francisco Vélez Serrano</b>  </p><hr/>";
        htmlFlow.setContents(contents);
        return htmlFlow;
    }

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        button.setIcon("ok.png");
        return button;
    }


    public final HTMLFlow errorMessage(String error, int type){
        HTMLFlow htmlFlow = new HTMLFlow();
        final int widthFlow = 230;
        htmlFlow.setWidth(widthFlow);
        htmlFlow.setStyleName("exampleTextBlock");
        String contents = "<p><font size=\"2\" face=\"arial\" color=";
        if (type == INFO) {
            contents = contents + "\"green\"";
        }  else {
             contents = contents + "\"red\"";
        }
        contents = contents +"> " + error + "</font></p>";
        htmlFlow.setContents(contents);
        htmlFlow.setVisible(false);
        final int marginFlow = 3;
        htmlFlow.setMargin(marginFlow);
        return htmlFlow;
    }

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    public Canvas getViewPanel() {


        Canvas canvas = new Canvas();


        final HTMLFlow htmlFlow = new HTMLFlow();
        htmlFlow.setHeight(45);
        htmlFlow.setWidth(75);
        htmlFlow.setTop(50);
        htmlFlow.setOverflow(Overflow.HIDDEN);
        htmlFlow.setStyleName("exampleTextBlock");
        htmlFlow.setShowEdges(true);


        String contents = "<span class='exampleDropTitle'>Ajax&nbsp;&nbsp;</span> <b>A</b>synchronous <b>J</b>avaScript " +
                "<b>A</b>nd <b>X</b>ML (AJAX) is a Web development technique for creating interactive <b>web applications</b>. " +
                "The intent is to make web pages feel more responsive by exchanging small amounts of data with the server behind" +
                " the scenes, so that the entire Web page does not have to be reloaded each time the user makes a change. " +
                "This is meant to increase the Web page's <b>interactivity</b>, <b>speed</b>, and <b>usability</b>. " +
                "(Source: <a href='http://www.wikipedia.org' title='Wikipedia' target='_blank'>Wikipedia</a>)";
        htmlFlow.setContents(contents);


        IButton expandButton = new IButton("Expand");
        expandButton.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                htmlFlow.resizeBy(235, 150);
            }
        });


        IButton collapseButton = new IButton("Collapse");
        collapseButton.setLeft(120);
        collapseButton.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                htmlFlow.resizeTo(75, 45);
            }
        });


        canvas.addChild(expandButton);
        canvas.addChild(collapseButton);

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        button.setIcon("ok.png");
        return button;
    }


    public final HTMLFlow errorMessage(String error, int type){
        HTMLFlow htmlFlow = new HTMLFlow();
        final int widthFlow = 230;
        htmlFlow.setWidth(widthFlow);
        htmlFlow.setStyleName("exampleTextBlock");
        String contents = "<p><font size=\"2\" face=\"arial\" color=";
        if (type == INFO) {
            contents = contents + "\"green\"";
        }  else {
             contents = contents + "\"red\"";
        }
        contents = contents +"> " + error + "</font></p>";
        htmlFlow.setContents(contents);
        htmlFlow.setVisible(false);
        final int marginFlow = 3;
        htmlFlow.setMargin(marginFlow);
        return htmlFlow;
    }

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    /**
     * generate a pane with the authors of this application
     * @return
     */
    private HTMLFlow aboutContent(){
        HTMLFlow htmlFlow = new HTMLFlow();
        htmlFlow.setWidth(230);
        htmlFlow.setStyleName("exampleTextBlock");
        String contents = "<hr/><h1 align=\"center\">"+constants.authors()+":  </h1><br/> <p align=\"center\"> " +
                "<b>Eduardo Rodrigo Contreras</b><br/><b>David Marchante Redondo</b><br/> <b>David Rosillo de Pablos</b><br/><b>José Francisco Vélez Serrano</b>  </p><hr/>";
        htmlFlow.setContents(contents);
        return htmlFlow;
    }

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        ListGridField statusField = new ListGridField("status");
        listGrid.setFields(commonNameField2, lifeSpanField, statusField);


        VLayout vLayout = new VLayout(20);
        vLayout.setMargin(10);
        vLayout.addMember(new HTMLFlow(DESCRIPTION));


        HLayout hLayout = new HLayout(10);
        hLayout.addMember(listGrid);
        hLayout.addMember(tileGrid);

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        }
    }          


    public Canvas getViewPanel() {
        
        final HTMLFlow textBox = new HTMLFlow(EXAMPLE_TEXT);
        textBox.setLeft(100);
        textBox.setWidth(300);
        textBox.setStyleName("exampleStyleOnline");
        
        LinkedHashMap<String, String> styleMap = new LinkedHashMap<String, String>();
        styleMap.put("exampleStyleOnline", "Online");
        styleMap.put("exampleStyleLegal", "Legal");
        styleMap.put("exampleStyleCode", "Code");
        styleMap.put("exampleStyleInformal", "Informal");
        
        RadioGroupItem style = new RadioGroupItem();
        style.setDefaultValue("exampleStyleOnline");
        style.setShowTitle(false);
        style.setValueMap(styleMap);
        style.addChangedHandler(new ChangedHandler() {
            public void onChanged(ChangedEvent event) {
                textBox.setStyleName((String)event.getValue());
                textBox.markForRedraw();
            }
        });
        
        DynamicForm controls = new DynamicForm();
        controls.setFields(style);

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        final String webapp = "<hr><span class='exampleDropTitle'>Web App&nbsp;&nbsp;</span> " +
                "In software engineering, a <b>web application</b> is an application that is " +
                "<b>accessed with a web browser</b> over a network such as the Internet or an intranet.<hr>";




        final HTMLFlow htmlFlow = new HTMLFlow();
        htmlFlow.setTop(40);
        htmlFlow.setWidth(280);
        htmlFlow.setStyleName("exampleTextBlock");
        htmlFlow.setContents(ajax);


        HLayout hLayout = new HLayout();
        hLayout.setMembersMargin(5);


        IButton ajaxButton = new IButton("Ajax");
        ajaxButton.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                htmlFlow.setContents(ajax);
            }
        });
        hLayout.addMember(ajaxButton);


        IButton riaButton = new IButton("RIA");
        riaButton.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                htmlFlow.setContents(ria);
            }
        });
        hLayout.addMember(riaButton);


        IButton webAppButton = new IButton("Web App");
        webAppButton.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                htmlFlow.setContents(webapp);
            }
        });
        hLayout.addMember(webAppButton);


        layout.addMember(hLayout);

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            return DESCRIPTION;
        }
    }


    public Canvas getViewPanel() {
        HTMLFlow htmlFlow = new HTMLFlow();
        htmlFlow.setOverflow(Overflow.AUTO);
        htmlFlow.setPadding(10);


        String contents = "<b>Severity 1</b> - Critical problem<br>System is unavailable in production or " +
                "is corrupting data, and the error severely impacts the user's operations." +
                "<br><br><b>Severity 2</b> - Major problem<br>An important function of the system " +
                "is not available in production, and the user's operations are restricted." +
                "<br><br><b>Severity 3</b> - Minor problem<br>Inability to use a function of the " +
                "system occurs, but it does not seriously affect the user's operations.";


        htmlFlow.setContents(contents);


        final SectionStack sectionStack = new SectionStack();
        sectionStack.setVisibilityMode(VisibilityMode.MULTIPLE);
        sectionStack.setCanReorderSections(true);
        sectionStack.setCanResizeSections(false);

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  public Canvas getViewPanel() {


        VLayout layout = new VLayout();
    layout.setMembersMargin(10);


    final HTMLFlow flow = new HTMLFlow();      
    flow.setID("messageBox");
    flow.setContents("<span class='exampleDropTitle'>Ajax&nbsp;&nbsp;</span> <b>A</b>synchronous <b>J</b>avaScript <b>A</b>nd <b>X</b>ML (AJAX) is a Web development technique for creating interactive <b>web applications</b>. The intent is to make web pages feel more responsive by exchanging small amounts of data with the server behind the scenes, so that the entire Web page does not have to be reloaded each time the user makes a change. This is meant to increase the Web page's <b>interactivity</b>, <b>speed</b>, and <b>usability</b>. (Source: <a href='http://www.wikipedia.org' title='Wikipedia' target='_blank'>Wikipedia</a>)");
    flow.setStyleName("exampleTextBlock");
    flow.setOverflow(Overflow.HIDDEN);
    flow.setShowEdges(true);
    flow.setPadding(5);
    flow.setWidth(75);
    flow.setHeight(45);
    flow.setTop(50);
    flow.setAnimateTime(800); //in milliseconds


    final IButton expandButton = new IButton();
    expandButton.setTitle("Expand");
    expandButton.setLeft(40);
    
    final IButton collapseButton = new IButton();
    collapseButton.setTitle("Collapse");
    collapseButton.setDisabled(true);
    
    expandButton.addClickHandler(new ClickHandler() {
      public void onClick(ClickEvent event) {
        expandButton.setDisabled(true);
        flow.animateResize(310,45, new AnimationCallback() {
          public void execute(boolean earlyFinish) {
            flow.animateResize(310,195);            
          }
          
        });
        
        collapseButton.setDisabled(false);
      }
    });


    collapseButton.addClickHandler(new ClickHandler() {
      public void onClick(ClickEvent event) {
        collapseButton.setDisabled(true);
        flow.animateResize(310,45, new AnimationCallback() {
          public void execute(boolean earlyFinish) {
            flow.animateResize(75,45);            
          }          
        });        
        expandButton.setDisabled(false);
      }
    });

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