1. indicators.component.ts:
a. Added fields "import_loading" and "export_loading" and set "editing", to show loading icon and disable edit options while export or import process is ongoing.
b. Validate schema of indicators' file when importing it (type (chart or number), url, and jsonPath (for number indicators) are requested).
2. indicators.component.html:
a. Instead of import or export icon (next to buttons), show loading icon when "import_loading" or "export_loading" is true.
b. Disable edit options for indicators when "import_loading" or "export_loading" is true and show tooltip.
git-svn-id: https://svn.driver.research-infrastructures.eu/driver/dnet40/modules/uoa-monitor-portal/trunk/monitor_dashboard@61433 d315682c-612b-4755-9ff5-7f18f6832af3
Konstantina Galouni
f51ca5f7ed