Programatically Set Mat Expansion Panel Open

Mat expansion panel mat expansion panel so this is the basic selector by using this selector we can implement an expansion panel but with expansion panel we should have an appropriate header and also may contain an action bar.

Programatically set mat expansion panel open.

Event fired when the panel is going to open expand closed. I want to open or close mat select programmatically i e. We are going to cover many of the most common use cases that revolve around the angular material dialog such as. Expand panel if set to true and collapse if set to false hidetoggle.

But i need to set the height with percentage. After completing the close collapse after the animation. Mat expansion panel header represents the header section. In order to work with expansion panel we should import matexpansionmodule into our module file just like this.

I have this tiny sample project what i am trying to do is to have user enter a piece of single line text by clicking on a placeholder say enter image caption as shown the user clicks there and. Yajneshrai mentioned this issue dec 28 2017 mat expansion panel doesn t expand in prod build after updating to material 5 0 2 9148. Mat panel title represents the panel title. I 39 ve been searching for a way to open the open expansion panel by default very little in the documentations is this possible or shall we raise as a feature.

A complete example last updated. The mat expansion panel an angular directive is used to create an expandable detail v s summary view. If i set the height to 10 1 nothing occurs but if i set it to 10px it works. Hide panel toggle indicator opened.

Mat panel description represents the panel summary. Bug feature request or proposal. Contains summary of panel and acts as control to expand or collapse the panel. Mat expansion panel does not open in prod build but works fine with dev buid and ng serve.

I m using the component mat mat expansion panel from angular material abd i wabt to set the height in function of his parent. I override the class mat expansion panel content to do this. Here is my code now i want to control open or closed list from the component.