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Tuesday, February 20, 2018By default, the Delphi form designer serves as a WYSIWYG design surface for your web application forms. This means that the UI controls on the Delphi form will appear absolute positioned on the web page. For page layout & organization, there are the typical Delphi container controls like a panel, groupbox, scrollbox, gridpanel.
The parent/child relationship of the Delphi controls is also reflected on the produced web pages. Additional facilities like control alignment, anchoring and a splitter control are available to let you and the end user control the layout of the pages. In this default mode, everything is as such very familiar to Delphi developers and users of Delphi VCL Windows applications and sometimes this similarity is desirable. However, the TMS WEB Core framework is also completely open to have the page layout designed directly from HTML & CSS. The architecture of the framework provides for separating design & code and even have the design done by people with a role, i.e. graphical designers.
Here the TWebMemo is hooked up via the ElementID property to a TEXTAREA HTML element with ID set to mem and already in the HTML file.
The software developer and the graphical designer can collaborate by simply ensuring that the designer provides the HTML element IDs to the software developer or the software developer can provide a list of IDs of controls needed to the graphical designer. It speaks for itself that using this technique empowers us to take advantage of responsive design for TMS WEB Core web applications. When the HTML template for the page is applying responsive design techniques, i.e. different layouts for different device screen sizes, the UI controls will appear where the designer defined these should appear depending on the screen size. That is not all though. It is also possible to let the Delphi designed UI be generated in the body part of a HTML page or in any specified HTML container element in a HTML page. As such, a graphical designer could create a page layout with a header, footer and other elements in the HTML page and add a specific area via a HTML DIV or SPAN element where the Delphi designed UI will be generated in. To do so, all that is needed is set to the ID for the HTML element where the form should be generated via the Form.AppContent property. Finally, each UI control also exposes an ElementClass property. Via this ElementClass property a CSS style can be specified for an UI control. Via this way for example, it is very easy to use a popular framework like bootstrap. It is sufficient to set the bootstrap CSS class names to the UI controls on the Delphi form designer by their ElementClass properties.
Here the ElementClass property of the edit control on the form is set to the bootstrap form-control style:
One of the demos included in the TMS WEB Core framework shows this. By simply changing the bootstrap theme via changing the reference in the HTML page template, the appearance of the web application will adapt automatically.
Demo without styling:
Demo with bootstrap styling applied:
Get started today: Technical previews of TMS WEB Core, TMS FNC UI web-enabled controls, web-enabled TMS XData, the first parts under the TMS RADical WEB umbrella are exclusively available now for all active TMS-ALL-ACCESS customers.
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